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Although the initial setup of generators and a power grid by Edison an

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kakakakaak
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Re: Although the initial setup of generators and a power grid by Edison an [#permalink] New post   21 Apr 2022, 22:14
my doubt is in option c ,,,, why option c is incorrect ??? according to me--> meaning is clear plus it was the cost that was cut to half ...
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Although the initial setup of generators and a power grid by Edison an [#permalink] New post   08 Jun 2022, 06:49
ChiGMAT wrote:
Although the initial setup of generators and a power grid by Edison and JP Morgan was rather costly, the electrification of lighting in lower Manhattan doubled work efficiency when the energy costs were cut in half.

(A) the electrification of lighting in lower Manhattan doubled work efficiency when the energy costs were cut in half
(B) the electrification of lighting in lower Manhattan doubled work efficiency while cutting energy costs in half
(C) the electrification of lighting in lower Manhattan doubled work efficiency while costs were cut to half
(D) lighting electrification in lower Manhattan doubled work efficiency while energy costs were cut in half
(E) lighting electrification in lower Manhattan doubled work efficiency while costs were cut to half


I didn't understand how Option B is parallel. Subject is ''electrification of lighting'' first verb is ''doubled'', where is the second verb after ''while'' for the common subject ''electrification''? Is ''cutting'' a verb? It sounds awkward to me when I read ''electrification of lighting cutting energy costs in half'', how is that a verb? Shouldn't it be 'cut'' and not ''cutting''?

Thus, I selected Option C even though it uses passive construction.

Also, I have heard in some posts that ''while'',''whereas'',''although'' should also be followed by a clause. I don't see that in Option B. If experts can comment on this, it would be helpful.


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Although the initial setup of generators and a power grid by Edison an [#permalink] New post   08 Jun 2022, 09:30
Hi KarishmaB

I have learnt that Verb-ing without a comma modifies the noun or noun phrase just before it. But here in option B, the word cutting should modify electrification of lightening, but it's modifying work efficiency. Isn't option B incorrect too?

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Re: Although the initial setup of generators and a power grid by Edison an [#permalink] New post   11 Dec 2022, 03:26
I need to understand the difference between "cut in half" and "cut to half" in the context of energy costs. Kindly help me.
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Re: Although the initial setup of generators and a power grid by Edison an [#permalink] New post   14 Dec 2022, 00:30
GMATNinja
is 'doubled' a verb or verb-ed modifier?
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Re: Although the initial setup of generators and a power grid by Edison an [#permalink]
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