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# Once the economic and social usefulness of the motorcar was

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Manager
Joined: 02 Jun 2011
Posts: 109
Once the economic and social usefulness of the motorcar was [#permalink]

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23 Jul 2012, 21:55
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Question Stats:

69% (01:44) correct 31% (00:56) wrong based on 19 sessions

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Once the economic and social usefulness of the motorcar was demonstrated and with
its superiority to the horse being proved, much of the early hostility to it in rural
regions disappeared.
A) and with its superiority to the horse being
B) and its superiority over the horse had been
C) and its superiority to the horse
D) its superiority over the horse
E) with its superiority to the horse having been

Why ‘C’ is right?
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Re: Once the economic and social usefulness of the motorcar [#permalink]

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23 Jul 2012, 22:29
You should mark the line to avoid confusion.

I do not think C is right.If I have to choose I would choose B (there are several reasons to do that)
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Manager
Joined: 02 Jun 2011
Posts: 109
Re: Once the economic and social usefulness of the motorcar [#permalink]

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23 Jul 2012, 23:20
gmatcallow wrote:
You should mark the line to avoid confusion.

I do not think C is right.If I have to choose I would choose B (there are several reasons to do that)

However, in answer sheet it option 'C' is mentioned.
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Joined: 11 May 2011
Posts: 361
Location: US
Re: Once the economic and social usefulness of the motorcar [#permalink]

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23 Jul 2012, 23:57
First, we need "and" in the begining. So, eliminate D and E.
Second, the A and B in the compound clause need to be parallel. A uses "being proved" - Incorrect. B uses "had been proved." - Incorrect.
Left with C.

Cheers!
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Re: Once the economic and social usefulness of the motorcar [#permalink]

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24 Jul 2012, 01:27
Once the economic and social usefulness of the motorcar was demonstrated and with
its superiority to the horse being proved, much of the early hostility to it in rural
regions disappeared.

D) its superiority over the horse
E) with its superiority to the horse having been

Two occasions are related and so we need a "and"to enlist them.These are;as follows,social usefulness of the motorcar
along with the superiority of motorcar to the horse

(D) & (E) out

Now, (A), (B) & (C)

A) and with its superiority to the horse being

with & being is unnecessary/incorrect
B) and its superiority over the horse had been
had been usage is incorrect with simple past "......usefulness of the motorcar was demonstrated ..." is incorrect
parallelism error along both sides of "and"

C) and its superiority to the horse
concise, clear & correct

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Re: Once the economic and social usefulness of the motorcar [#permalink]

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24 Jul 2012, 09:50
Both events are happening simultaneously. Therefore, we must use the simple past tense to verb both the events. The first past tense event is 'was demonstrated' and the second event is ‘(was) proved. Hence choices with being, had been, having been are all gone.

When there are two events of the same direction that are joined, it is customary to use the conjunction “and”. Therefore, C is the pick
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Re: Once the economic and social usefulness of the motorcar was [#permalink]

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14 Aug 2014, 15:21
Hello from the GMAT Club VerbalBot!

Thanks to another GMAT Club member, I have just discovered this valuable topic, yet it had no discussion for over a year. I am now bumping it up - doing my job. I think you may find it valuable (esp those replies with Kudos).

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Joined: 23 Nov 2010
Posts: 53
Re: Once the economic and social usefulness of the motorcar was [#permalink]

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14 Aug 2014, 22:33
jitgoel wrote:
Once the economic and social usefulness of the motorcar was demonstrated and with
its superiority to the horse being proved, much of the early hostility to it in rural
regions disappeared.
A) and with its superiority to the horse being
B) and its superiority over the horse had been
C) and its superiority to the horse
D) its superiority over the horse
E) with its superiority to the horse having been

Why ‘C’ is right?

1. And is required: Two different event requires an 'and' to split them.
2. With is not required. Superiority over the house had been implies past perfect, sentence is in simple past
Re: Once the economic and social usefulness of the motorcar was   [#permalink] 14 Aug 2014, 22:33
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