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Birds preen themselves to clean and water proof their feathers, mainta

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Birds preen themselves to clean and water proof their feathers, mainta [#permalink] New post   25 Nov 2020, 06:03
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Birds preen themselves to clean and waterproof their feathers, maintaining their general health and for keeping them smooth and neat.

A. maintaining their general health and for keeping them smooth and neat.

B. to maintain their general health and for keeping them smooth and neat

C. to maintain their general health and to keep them smooth and neat.

D. keeping them smooth and neat and to maintain their general health.

E. for maintaining their general health and for keeping them smooth and neat.
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C
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Re: Birds preen themselves to clean and water proof their feathers, mainta [#permalink] New post   26 Nov 2020, 06:52
i could not figure out the reason for D being the right answer. can anyone explain it to me? and yes, it would be great if source is specified.
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Re: Birds preen themselves to clean and water proof their feathers, mainta [#permalink] New post   26 Oct 2022, 11:19
Hello!
I chose the right answer but I am not sure why not E, please help :)
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Birds preen themselves to clean and water proof their feathers, mainta [#permalink] New post   26 Oct 2022, 20:57
"to maintain" is preferred.

To maintain + To keep is correct parallelism.

Option C

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Re: Birds preen themselves to clean and water proof their feathers, mainta [#permalink] New post   27 Oct 2022, 05:03
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Makhabbat wrote:
Hello!
I chose the right answer but I am not sure why not E, please help :)


Hello Makhabbat,

We hope this finds you well.

To answer your query, Option C is superior to E because for referring to the intent or purpose of an action ("preen themselves" in this case) the infinitive verb form ("to + base form of verb" - "to + maintain" and "to + keep" in this case) is preferred over the present participle ("verb+ing" - "maintaining" and "keeping" in this case).

To understand the concept of "Infinitives" versus "Present Participles" on GMAT, you may want to watch the following video (~1 minute):



All the best!
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Birds preen themselves to clean and water proof their feathers, mainta [#permalink] New post   31 Oct 2022, 06:01
Answer C is perfect, but'Comma' before the last 'AND' is missing, this punctuation is confused me

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Re: Birds preen themselves to clean and water proof their feathers, mainta [#permalink] New post   01 Nov 2022, 04:39
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AmrAElkholy wrote:
Answer C is perfect, but'Comma' before the last 'AND' is missing, this punctuation is confused me

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Hello AmrAElkholy,

We hope this finds you well.

You are correct that there should be a comma before "and", as it introduces the last element of a list with more than three elements; the omission of the comma was likely an error.

However, it should be noted that since none of the other answer choices include a comma before the "and" either, this factor cannot be used to eliminate any of them; in eliminating SC answer choices, we recommend first focusing on where the answer choices differ from one another.

We hope this helps.
All the best!
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Re: Birds preen themselves to clean and water proof their feathers, mainta [#permalink] New post   01 Nov 2022, 04:42
A. maintaining their general health and for keeping them smooth and neat.

parallelism participial noun vs prep phrase, so not parallel

B. to maintain their general health and for keeping them smooth and neat

prep phrases starting with to vs for, so not parallel

C. to maintain their general health and to keep them smooth and neat.

looks good
D. keeping them smooth and neat and to maintain their general health.

similar to A)

E. for maintaining their general health and for keeping them smooth and neat.

should we want to know the "what for" aspect or to denote intention? clearly the latter one, so that is why C is better


Answer is C
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Re: Birds preen themselves to clean and water proof their feathers, mainta [#permalink]
01 Nov 2022, 04:42
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