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# benefits of tea

Author Message
Director
Joined: 26 Oct 2016
Posts: 694

Kudos [?]: 179 [0], given: 855

Location: United States
Schools: HBS '19
GMAT 1: 770 Q51 V44
GPA: 4
WE: Education (Education)

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19 Aug 2017, 06:46
The 2/3 split here is right at the start of the underlined portion: do we need "comes" or "come"? The subject is "most of the purported health benefits," so we need the plural form "come".
We can eliminate E for using the pronoun "they," which could refer to antioxidants, compounds, or health benefits.

D uses parallel construction correctly:
"compounds that (are also found...) and that (inhibit the formation...)"
C does not use parallel form.
Look at choice C in its entirety:

Most of the purported health benefits of tea come from antioxidants--compounds also found in beta carotene, vitamin E, and vitamin C, and inhibit the formation of plaque along the body's blood vessels.

"And" must connect like forms. Here, we see "and inhibit," so the "and" must be linking a preceding verb to "inhibit." The only preceding verb is "come." So we get the following: Most of the purported health benefits of tea come from anti-oxidants... and inhibit the formation of plaque. The purported health benefits inhibit the formation of plaque? That doesn't make any sense.

Contrast C with the logic and parallelism of D: compounds that are x and that inhibit y. Now the compounds are inhibiting the formation of plaque. This is logical.

"Found" in C is a participle that functions as an adjective modifying "compounds," whereas "inhibit" is a simple present tense verb of which "compounds" is the subject. (The construction "are found" contains the verb "are" + the participle "found." "And" can't be used to connect two different parts of speech.
(It's worth noting that "found" can also be a simple past tense verb. "Dave found a bug in his cereal." The compounds in the previous example are not the agents of the action in the way that Dave is here.)

D. come from antioxidants—compounds that are also found in beta carotene, vitamin E, and vitamin C and that
E. come from antioxidants—compounds also found in beta carotene, vitamin E, and vitamin C, and they

This is a problem that deals with the structure of the sentence. D is parallel "compounds that modifier and that modifier. E does not have a legit strcuture: "compounds modifier , and they clause
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Thanks & Regards,
Anaira Mitch

Kudos [?]: 179 [0], given: 855

Re: benefits of tea   [#permalink] 19 Aug 2017, 06:46

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