Many writers of modern English have acquired careless habits that damage the clarity of their prose, but these habits can be broken if they are willing to take the necessary trouble.

(A) but these habits can be broken
(B) but these habits are breakable
(C) but they can break these habits
(D) which can be broken
(E) except that can be broken
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cheers
Its Now Or Never

between A & C, i went with A. I thought they in C is ambiguous. Can anybody explain this.. thanks

C is the correct answer
Pronoun that immediately follows the "but" which comes after a comma ,unambiguously refer to the first subject in the statement. here it refers to the scientists in C. Moreover we are talking about scientists. So the correct answer is C.

Many writers of modern English have acquired ..., but they can break these habits if they are willing .....trouble.
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In choice C, the subjects are absolutely parallel and same across the structure, therefore the most perfect choice. I hope the reasoning should be enough. Please let me know, if any flaw in this.
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If you know what you're worth, then go out and get what you're worth. But you gotta be willing to take the hits, and not pointing fingers saying you ain't where you wanna be because of anybody! Cowards do that and You're better than that!
The path is long, but self-surrender makes it short; the way is difficult, but perfect trust makes it easy.
Fire the final bullet only when you are constantly hitting the Bull's eye, till then KEEP PRACTICING.
Failure establishes only this, that our determination to succeed was not strong enough.
Getting defeated is just a temporary notion, giving it up is what makes it permanent.

http://gmatclub.com/forum/1000-sc-notes-at-one-place-in-one-document-with-best-of-explanations-192961.html

Press +1 Kudos, if you think my post gave u a tiny tip.

C is best which shows proper Parallelism as well

but they can break these habits if they are willing to take the necessary trouble.
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http://gmatclub.com/forum/a-guide-to-the-official-guide-13-for-gmat-review-134210.html
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Many writers of modern English have acquired careless habits that damage the clarity of their prose, but these habits can be broken if they are willing to take the necessary trouble.
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(A) but these habits can be broken
In this case it is not clear to what noun does "they" (that comes after underlined part) refer to. Is it "writers" or "habits", we understand that it is "writers", but still. And passive.

(B) but these habits are breakable
Same as in A

(C) but they can break these habits
Good. The first "they", and the second one refer to "writers". And active.

(D) which can be broken
"which" modifies the last noun ("prose" in our case), but "prose can be broken" makes no sense

(E) except that can be broken
No sense at all

Confused between A and C
Is it necessary to keep Voices same in the entire sentence? Besides If is not parallel marker so why are we looking for parallelism? Can someone please explain?

Hello cluelesss,

Let me put my cents here. The sentence first introduces something about Writers and "the writers" is the focus. Suddenly, you break the flow of thinking and change the voice to passive when you are talking about their habits. Considering Parallelism rule, both elements need to be in active voice, otherwise the focus of the subject changes and a reader gets confused what exactly the author is talking about.
So, as per my thought process, C is the best answer.


Not an expert. We can argue.