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Studying skeletons unearthed near Rome, DNA evidence was recovered by

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The Official Guide for GMAT Verbal Review 2018
Practice Question
Sentence Correction
Question no. 198

Studying skeletons unearthed near Rome, DNA evidence was recovered by scientists, who were able to deduce from this that an epidemic of malaria struck in the empire’s waning days.

A. Studying skeletons unearthed near Rome, DNA evidence was recovered by scientists, who were able to deduce from this
B. In studying skeletons unearthed near Rome, DNA evidence was recovered by scientists, who were able to deduce from this
C. Scientists recovered DNA evidence from studying skeletons unearthed near Rome, being able to deduce from this
D. Skeletons unearthed near Rome allowed scientists to recover DNA evidence, and they were able to deduce from it
E. Scientists studying skeletons unearthed near Rome recovered DNA evidence from which they were able to deduce
[Reveal] Spoiler: OA

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Re: Studying skeletons unearthed near Rome, DNA evidence was recovered by [#permalink]

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Studying skeletons unearthed near Rome, DNA evidence was recovered by scientists, who were able to deduce from this that an epidemic of malaria struck in the empire’s waning days.


One thing I note that many are just giving a one-letter correct choice, which has been given already by Abdur. However, why the correct choice is correct and others are not is the essence of the forum's focus. Anyway, back to business


A. Studying skeletons unearthed near Rome, DNA evidence was recovered by scientists, who were able to deduce from this -- 1. misplaced modification 2. from this is colloquial

B. In studying skeletons unearthed near Rome, DNA evidence was recovered by scientists, who were able to deduce from this -- misplaced modification and colloquial

C. Scientists recovered DNA evidence from studying skeletons unearthed near Rome, being able to deduce from this --- 1. 'Being able to' is superfluous 2, from this is colloquial.

D. Skeletons unearthed near Rome allowed scientists to recover DNA evidence, and they were able to deduce from it-- Skeletons allowing scientists - is funny and they (the skeletons) were able to deduce is equally weird.

E. Scientists studying skeletons unearthed near Rome recovered DNA evidence from which they were able to deduce -- the correct choice with no modifier or redundancy errors.
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Re: Studying skeletons unearthed near Rome, DNA evidence was recovered by [#permalink]

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New post 15 Jun 2017, 01:36
Studying skeletons unearthed near Rome, DNA evidence was recovered by scientists, who were able to deduce from this that an epidemic of malaria struck in the empire’s waning days.

A.Studying skeletons unearthed near Rome, DNA evidence was recovered by scientists, who were able to deduce from this – Modifier issue – DNA evidence did not study
B.In studying skeletons unearthed near Rome, DNA evidence was recovered by scientists, who were able to deduce from this – Modifier issue – DNA evidence did not study
C.Scientists recovered DNA evidence from studying skeletons unearthed near Rome, being able to deduce from this – usage of deduce from this that seems incorrect
D.Skeletons unearthed near Rome allowed scientists to recover DNA evidence, and they were able to deduce from it – Illogical – skeletons were able to deduce
E.Scientists studying skeletons unearthed near Rome recovered DNA evidence from which they were able to deduce - Correct

Answer E
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Re: Studying skeletons unearthed near Rome, DNA evidence was recovered by [#permalink]

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New post 15 Jun 2017, 04:30
AbdurRakib wrote:
The Official Guide for GMAT Verbal Review 2018
Practice Question
Sentence Correction
Question no. 198

Studying skeletons unearthed near Rome, DNA evidence was recovered by scientists, who were able to deduce from this that an epidemic of malaria struck in the empire’s waning days.

A. Studying skeletons unearthed near Rome, DNA evidence was recovered by scientists, who were able to deduce from this
B. In studying skeletons unearthed near Rome, DNA evidence was recovered by scientists, who were able to deduce from this
C. Scientists recovered DNA evidence from studying skeletons unearthed near Rome, being able to deduce from this
D. Skeletons unearthed near Rome allowed scientists to recover DNA evidence, and they were able to deduce from it
E. Scientists studying skeletons unearthed near Rome recovered DNA evidence from which they were able to deduce


Error Analysis:
Option A: Modifier error. Who are studying. Is it Scientist or DNA evidence.
Option B: Same as A
Option C: Usage of being is incorrect. The word this is used incorrectly.
Option D: Usage of they is ambiguous. Meaning error. Its the discovery and not the skeletons themselves that allowed scientist to deduce.
Option E: Correct

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Re: Studying skeletons unearthed near Rome, DNA evidence was recovered by [#permalink]

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New post 26 Aug 2017, 19:40
Studying skeletons unearthed near Rome, DNA evidence was recovered by scientists, who were able to deduce from this that an epidemic of malaria struck in the empire’s waning days.

A. Studying skeletons unearthed near Rome, DNA evidence was recovered by scientists, who were able to deduce from this
B. In studying skeletons unearthed near Rome, DNA evidence was recovered by scientists, who were able to deduce from this
C. Scientists recovered DNA evidence from studying skeletons unearthed near Rome, being able to deduce from this
D. Skeletons unearthed near Rome allowed scientists to recover DNA evidence, and they were able to deduce from it
E. Scientists studying skeletons unearthed near Rome recovered DNA evidence from which they were able to deduce

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Studying skeletons unearthed near Rome, DNA evidence was recovered by [#permalink]

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New post 28 Aug 2017, 06:24
Hi Experts GMATNinja GMATNinjaTwo

Can you please explain what is so awkward about (D)

(A) and (B) are clearly out since opening verb-ing modifier should modify scientists and not evidence.

(C) being is not used in passive continuous tense also I feel evidence from is incorrect. It should be evidence by studying ..

(D)they correctly refers to scientists and not skeletons , is the phrase - from it- wordier?

(E) I did not select this since was confused if recovered is verb or modifier? note that there is no helping verb here. Does 'they' can only refer to subject in first independent clause ie scientists?
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Re: Studying skeletons unearthed near Rome, DNA evidence was recovered by [#permalink]

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New post 28 Aug 2017, 07:17
Studying skeletons unearthed near Rome, DNA evidence was recovered by scientists, who were able to deduce from this that an epidemic of malaria struck in the empire’s waning days.

A. Studying skeletons unearthed near Rome, DNA evidence was recovered by scientists, who were able to deduce from this
--> Meaning error : DNA evidence was not studying skeleton - Incorrect
B. In studying skeletons unearthed near Rome, DNA evidence was recovered by scientists, who were able to deduce from this
--> Meaning error : In some type of skeleton " studying skeleton" , studying used as adjective ...DNA evidence was recovered - Incorrect
C. Scientists recovered DNA evidence from studying skeletons unearthed near Rome, being able to deduce from this
--> studying skeletons : type of skeleton meaning error ; incorrect
D. Skeletons unearthed near Rome allowed scientists to recover DNA evidence, and they were able to deduce from it
--> Skeletons...allowed ; nonsensical : Incorrect
E. Scientists studying skeletons unearthed near Rome recovered DNA evidence from which they were able to deduce
Correct

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Re: Studying skeletons unearthed near Rome, DNA evidence was recovered by [#permalink]

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New post 28 Aug 2017, 08:49
adkikani wrote:
Hi Experts GMATNinja GMATNinjaTwo

Can you please explain what is so awkward about (D)

(A) and (B) are clearly out since opening verb-ing modifier should modify scientists and not evidence.

(C) being is not used in passive continuous tense also I feel evidence from is incorrect. It should be evidence by studying ..

(D)they correctly refers to scientists and not skeletons , is the phrase - from it- wordier?

(E) I did not select this since was confused if recovered is verb or modifier? note that there is no helping verb here. Does 'they' can only refer to subject in first independent clause ie scientists?
Option D gives a lot of importance to the noun skeletons, going so far as to make it the subject of the sentence. This means that the they is not very clear. It could refer to skeletons or scientists. For example:

A allowed B to enter the room, and he took the test. Super ambiguous, as the he could refer to either A or B.

Also, the structure of the sentence (with D) is not very good. There is a big difference between setting the sentence up as [the two things that scientists did] and setting the sentence up as [skeletons did one thing, and scientists did the other].

In option E, recovered is a verb (subject: scientists). We don't use a helping verb as we're in the active voice.

Scientists recovered DNA evidence. (active)
DNA evidence was recovered by scientists. (passive)
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Re: Studying skeletons unearthed near Rome, DNA evidence was recovered by [#permalink]

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Studying skeletons unearthed near Rome, DNA evidence was recovered by scientists, who were able to deduce from this that an epidemic of malaria struck in the empire’s waning days.

A. Studying skeletons unearthed near Rome, DNA evidence was recovered by scientists, who were able to deduce from this
Modifier error, Studying seems to be modifying DNA instead of scientists.

B. In studying skeletons unearthed near Rome, DNA evidence was recovered by scientists, who were able to deduce from this
Modifier error, Studying seems to be modifying DNA instead of scientists.

C. Scientists recovered DNA evidence from studying skeletons unearthed near Rome, being able to deduce from this
being able is not required.

D. Skeletons unearthed near Rome allowed scientists to recover DNA evidence, and they were able to deduce from it
It seems that skeletons is allowing the scientists to recover DNA , which is not the case.

E. Scientists studying skeletons unearthed near Rome recovered DNA evidence from which they were able to deduce
No error
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Re: Studying skeletons unearthed near Rome, DNA evidence was recovered by [#permalink]

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New post 01 Dec 2017, 13:00
adkikani wrote:
(D)they correctly refers to scientists and not skeletons , is the phrase - from it- wordier?


Hello,

I am not sure if 'they' is referring to 'scientists'. It seems is referring to 'skeletons', the main subject, what makes this sentence awkward since 'skeletons are allowing and deducing something ...'.

Then, I would like specialist's help on this one too.

On the other hand, 'and' is clearly incorrect in letter D because conveys an idea of addition rather than a causal-effect one. In other words, the correct meaning is 'because of a discovery in some DNA evidence, scientists could deduce there was a malaria epidemic in a specific period/date'.

Best,

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Re: Studying skeletons unearthed near Rome, DNA evidence was recovered by [#permalink]

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New post 04 Dec 2017, 07:54
rcaraujo20 wrote:
adkikani wrote:
(D)they correctly refers to scientists and not skeletons , is the phrase - from it- wordier?


Hello,

I am not sure if 'they' is referring to 'scientists'. It seems is referring to 'skeletons', the main subject, what makes this sentence awkward since 'skeletons are allowing and deducing something ...'.

Then, I would like specialist's help on this one too.

On the other hand, 'and' is clearly incorrect in letter D because conveys an idea of addition rather than a causal-effect one. In other words, the correct meaning is 'because of a discovery in some DNA evidence, scientists could deduce there was a malaria epidemic in a specific period/date'.

Best,


Your observation is correct. If a pronoun is the subject of a clause and has two possible antecedents of which one is the subject of another clause in the sentence, then the pronoun would unambiguously, by virtue of parallelism, refer to the subject antecedent. Hence in option D, "they" clearly refers to "skeletons", and hence the sentence is wrong.

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Re: Studying skeletons unearthed near Rome, DNA evidence was recovered by   [#permalink] 04 Dec 2017, 07:54
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