Tom Bradley was mayor of Los Angeles from 1973 to 1993, an : GMAT Sentence Correction (SC)
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Tom Bradley was mayor of Los Angeles from 1973 to 1993, an

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Tom Bradley was mayor of Los Angeles from 1973 to 1993, an [#permalink]

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14 Aug 2009, 14:13
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Tom Bradley was mayor of Los Angeles from 1973 to 1993, an era when the city had transformed from a collection of suburban neighborhoods to the second-largest city in the United States.

A. an era when the city had transformed.
B. An era during which the city was transformed.
C. An era that transformed it.
D. During which era the city transformed.
E. During which the city was transformed.
[Reveal] Spoiler: OA

Last edited by PiyushK on 15 Jul 2014, 09:19, edited 1 time in total.
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14 Aug 2009, 14:14
Explain plspls explain why B is incorrect and E is correct
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15 Aug 2009, 02:45
wrong OA reported.

OA: is B as given in other forums.
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Re: Tom Bradley was mayor of Los Angeles from 1973 to 1993, an [#permalink]

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15 Aug 2009, 03:22
B is the correct answer.
In E it seems during which points as if to 1993 not to the timespan 1973 to 1993
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15 Aug 2009, 03:24
E is the OA for me.... What is your source..are you sure B is the right answer
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Re: Tom Bradley was mayor of Los Angeles from 1973 to 1993, an [#permalink]

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09 Jul 2010, 02:47
B is the correct ans. Era is required to refer here to the timespan mentioned !
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17 Feb 2013, 03:31
Not getting the correct explanation how to cancel E.
B. an era during which the city was transformed
E. during which the city was transformed

I believe during which can properly refer back to from 1973 to 1993. am i wrong here.
Can someone post some tips one usage of during which.
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Re: Tom Bradley was mayor of Los Angeles from 1973 to 1993, an [#permalink]

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17 Feb 2013, 05:06
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Hi Sujit,

As I read the question the issue is that in answer E the 'during which' is unclear B is a far clearer way of expressing the sentence.

By adding in the words 'an era' it makes it totally unambigious what 'during which' refers to.

James
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Re: Tom Bradley was mayor of Los Angeles from 1973 to 1993, an [#permalink]

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17 Feb 2013, 06:29
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Hello Friends,
Correct Answer is B.

A) had transformed is not required here. Also an era when is awkward. An era during which transformation taken place is better than an era when the transformation taken place.

B) This choice converts the whole second clause into a modifier that modifies the period from 1973 to 1993. avoids all unnecessary tense shifts. Correct Choice.

C) the era itself didn't transform the city. Passive voice is required since the subject is unknown. City was transformed from x to y.

D) correct structure is subject - compliment. This choice is structured as (complement(subject)complement)

E) no clear referrent for which. It is doubtful whether which can modify prepositional phrase from 1973 to 1993.
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Re: Tom Bradley was mayor of Los Angeles from 1973 to 1993, an [#permalink]

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17 Feb 2013, 07:54
plumber250 wrote:
Hi Sujit,

As I read the question the issue is that in answer E the 'during which' is unclear B is a far clearer way of expressing the sentence.

By adding in the words 'an era' it makes it totally unambigious what 'during which' refers to.

James

Hi James,
Does it mean during which can't refer to time frame. it can only refer to time related nouns.
Can you please post some examples showing correct usage of 'during which'
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Re: Tom Bradley was mayor of Los Angeles from 1973 to 1993, an [#permalink]

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18 Feb 2013, 03:29
Tom Bradley was mayor of Los Angeles from 1973 to 1993, an era when the city had
transformed from a collection of suburban neighborhoods to the second-largest city in
the United States.
A. an era when the city had transformed.
B. An era during which the city was transformed.
C. An era that transformed it.
D. During which era the city transformed.
E. During which the city was transformed.

not easy at all. I spend 3 minutes.

had done is not correct because there is no past point of time for had done
in b, era that transormed" is wrong because it is not clear who make transforming
d is wrong for "during which era" . this is mechanical grammar error
e is hardest to eliminate. "during which" in e modifies 1993 grammatically and so this is not logic.

B is best.

is this from gmatprep. ? not easy at all.
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Re: Tom Bradley was mayor of Los Angeles from 1973 to 1993, an [#permalink]

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18 Feb 2013, 05:41
in E
during which
is wrong
which must refer to a specific noun. Which can not refer to "from x to y", a preposition. so , in e, which must reger to 1993 and so is not logic

not easy one.
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Re: Tom Bradley was mayor of Los Angeles from 1973 to 1993, an [#permalink]

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19 Feb 2013, 12:33
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Hi,
Received a PM to respond to this one.

This question is a good example of the correct usage of Noun + Noun modifier.

In the correct answer choice B, “an era during which…” the noun + noun modifier correctly modifies the preceding entity, the time span of “1973 to 1993”.

In choice E, “during which...” fails to precisely connect with this time span because "which" must refer to a particular noun entity. In this choice, "which" can refer to just "1993" also or can refer to "1973 to 1993" as well. Hence, there is an ambiguity in the modification of "which".

In the answer choice B, there is no ambiguity with "an era" because it covers the entire span from "1973 to 1993".

Hope this helps.
Thanks.
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Re: Tom Bradley was mayor of Los Angeles from 1973 to 1993, an [#permalink]

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21 Feb 2013, 00:34
I have a question on the choice C. 'An era that transformed it'. Does'nt 'an era' in itself properly refer to the timespan, do we have to have 'dutring which' ? is this not redundent? , Also does 'it' not refer to the Los Angeles ? Is there an ambiguity here ?
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Re: Tom Bradley was mayor of Los Angeles from 1973 to 1993, an [#permalink]

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21 Feb 2013, 00:54
ramanujanu wrote:
I have a question on the choice C. 'An era that transformed it'. Does'nt 'an era' in itself properly refer to the timespan, do we have to have 'dutring which' ? is this not redundent? , Also does 'it' not refer to the Los Angeles ? Is there an ambiguity here ?

Quote:
Tom Bradley was mayor of Los Angeles from 1973 to 1993, an era when the city had
transformed from a collection of suburban neighborhoods to the second-largest city in
the United States.
A. an era when the city had transformed.
B. An era during which the city was transformed.
C. An era that transformed it.
D. During which era the city transformed.
E. During which the city was transformed.

Hi ramanujanu,

Lets consider (C)

C. An era that transformed it.

Tom Bradley was mayor of Los Angeles from 1973 to 1993, an era that transformed it from a collection of suburban neighborhoods to the second-largest city in the United States.

Quote:
Does'nt 'an era' in itself properly refer to the timespan, do we have to have 'dutring which' ? is this not redundent?

Yes "an era" in itself is a time span. But, when we say "an era that transformed transformed it", it means that "the era" transformed the city; this is not what the sentence intends to say. It is intended in the sentence that the city was transformed in this era and not by this era. "during which" in B is not redundant because it makes it clear that during this time span (an era) the city got transformed.

Quote:
Also does 'it' not refer to the Los Angeles ? Is there an ambiguity here ?

"it" may refer to "Los Angeles" . If you want to refer to "Los Angeles", the use of "the city" or "Los Anglees" would be better. This answer choice is incorrect because it does not express the intended meaning.

Hope it helps,

Vercules
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Re: Tom Bradley was mayor of Los Angeles from 1973 to 1993, an [#permalink]

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21 Feb 2013, 08:46
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Quote:
Also does 'it' not refer to the Los Angeles ? Is there an ambiguity here ?

Yes there is an ambiguity here, "it" dose not refer to "Los Angeles" as "Los Angeles" is the object of a prepositional phrase.

Please note that my comment below does not pertain to the Tom Bradley question. It is specific to the comment above.

Pronoun can refer to noun that resides in prepositional phrase.
There is no grammar rule that prohibits the pronoun from referring to the noun inside the prepositional phrase. Please please please do not follow such baseless rules. The only thing that governs the reference of pronoun is that there should not be any ambiguity in terms of what the pronoun refers to. You should not be scratching your head thinking whether the pronoun refers to noun 1 or noun 2 or noun 3. Here are a few correct official sentences. Pay close attention to the highlighted pronoun and antecedents:

In ancient Thailand, much of the local artisans’ creative energy was expended on the creation of Buddha images as well as constructing and decoration of the temples in which they were enshrined.

The plot of The Bostonians centers on the rivalry that develops between Olive Chancellor, an active feminist, and Basil Ransom, her charming and cynical cousin, when they find themselves drawn to the same radiant young woman whose talent for public speaking has won her an ardent following.

It was only after Katharine Graham became publisher of The Washington Post in 1963 that it moved into the first rank of American newspapers, and it was under her command that the paper won high praise for its unrelenting reporting of the Watergate scandal.

Hope this helps clarify the misconception.

Thanks,

Payal
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Re: Tom Bradley was mayor of Los Angeles from 1973 to 1993, an [#permalink]

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04 Feb 2014, 08:28
BukrsGmat wrote:
plumber250 wrote:
Hi Sujit,

As I read the question the issue is that in answer E the 'during which' is unclear B is a far clearer way of expressing the sentence.

By adding in the words 'an era' it makes it totally unambigious what 'during which' refers to.

James

Hi James,
Does it mean during which can't refer to time frame. it can only refer to time related nouns.
Can you please post some examples showing correct usage of 'during which'

Bumping for plumber to give us a hand here

Would you please elaborate on the differences on when to use 'when' and when to use 'during which' 'in which' etc..

Thanks

Cheers
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Re: Tom Bradley was mayor of Los Angeles from 1973 to 1993, an [#permalink]

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Re: Tom Bradley was mayor of Los Angeles from 1973 to 1993, an [#permalink]

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28 Mar 2015, 21:50
rohansherry wrote:
Tom Bradley was mayor of Los Angeles from 1973 to 1993, an era when the city had transformed from a collection of suburban neighborhoods to the second-largest city in the United States.

A. an era when the city had transformed.
B. An era during which the city was transformed.
C. An era that transformed it.
D. During which era the city transformed.
E. During which the city was transformed.

hard one, I do not think it is from gmatprep

in A, "had tranformed" is wrong
in C, "era" dose not transform, tranformation is during the erea
in D, ,E, "which" can not refer to preposional phrase "from ...to...". we must input "era" for "which"

hard
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Re: Tom Bradley was mayor of Los Angeles from 1973 to 1993, an [#permalink]

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14 May 2015, 21:05
plumber250 wrote:
Hi Sujit,

As I read the question the issue is that in answer E the 'during which' is unclear B is a far clearer way of expressing the sentence.

By adding in the words 'an era' it makes it totally unambigious what 'during which' refers to.

James

Hi,

Does that mean 'during' should always refer to noun.
Re: Tom Bradley was mayor of Los Angeles from 1973 to 1993, an   [#permalink] 14 May 2015, 21:05

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