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Question 692 from 2018 OG GMAT

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Joined: 27 Dec 2016
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Concentration: Social Entrepreneurship, Nonprofit
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Question 692 from 2018 OG GMAT [#permalink]

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New post 20 Sep 2017, 18:01
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A
B
C
D
E

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(N/A)

Question Stats:

100% (01:40) correct 0% (00:00) wrong based on 19 sessions

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togepy123 wrote:
Hi Folks,

Hoping you all can clarify why we can separate with semi-colons here when the clauses are seemingly not independent? The correct answer here is B but I chose D(it just seemed the most right). Any clarification would be great!

25. (Book Question: 692)

Tropical bats play important roles in the rain forest ecosystem, aiding in the dispersal of cashew, date, and fig seeds; pollinating banana, breadfruit, and mango trees; and indirectly help produce tequila by pollinating agave plants.

A. pollinating banana, breadfruit, and mango trees; and indirectly help produce
B. pollinating banana, breadfruit, and mango trees; and indirectly helping to produce
C. pollinating banana, breadfruit, and mango trees; and they indirectly help to produce
D. they pollinate banana, breadfruit, and mango trees; and indirectly help producing
E. they pollinate banana, breadfruit, and mango trees; indirectly helping the producing of

Explanation

Correct Answer: B Selected Answer: D

Logical predication; Parallelism This sentence expresses a list of the roles tropical bats play in the rain forest ecosystem. Since these roles are enumerated in a list, and since the first member of the list is already provided, it is necessary to maintain the same structure for the rest of the members of the list in order to maintain parallelism and clarity. Note that semicolons separate the members of the list, leaving the commas to mark series of items within each member of the list.

A In this version, the third member of the list does not maintain the -ing verb form that the two previous members use.
B Correct. This version correctly maintains the parallel structure (aiding in . . .; pollinating . . .; and helping . . .).
C In this version, the third member of the list does not maintain the -ing verb form of the two previous members of the list. In addition, this member of the list includes a subject (they) while the other members do not, again violating parallelism.
D In order to maintain parallelism the verb that is the member of the list has to be in the -ing form, not its complement. Thus, the -ing has to be on the verb help, not on produce.
E Although this version maintains parallelism throughout, the phrase helping the producing is an incorrect construction in English.
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Just my 2 cents : I think semicolon is not used ONLY for separating independent clauses. The semicolon is also used to separate lists which contains many connectors. In this case, all of the lists have their own list. So basically the main function is to prevent the messiness because we have so many AND.

By the way, I really believe that we have previous discussion about this question. You can google it first to see complete discussion.
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Kudos [?]: 45 [0], given: 204

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Re: Question 692 from 2018 OG GMAT [#permalink]

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New post 20 Sep 2017, 19:22
https://gmatclub.com/forum/tropical-bat ... 31457.html

Hi, Please refer to the above link.

Kudos [?]: 5 [0], given: 36

Re: Question 692 from 2018 OG GMAT   [#permalink] 20 Sep 2017, 19:22
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Question 692 from 2018 OG GMAT

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