SC-singular and plural form

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SC-singular and plural form

by ashhchdg » Sun Aug 28, 2011 1:47 am
It seems probable that the group of chemical compounds known as the biogenic amines may play an important role in causing mental depression.

(A) may play
(B) play
(C) plays
(D) might play
(E) has been playing
I am confused between option B and C
Source: — Sentence Correction |

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by GmatKiss » Sun Aug 28, 2011 1:56 am
ashhchdg wrote:It seems probable that the group of chemical compounds known as the biogenic amines may play an important role in causing mental depression.

(A) may play
(B) play
(C) plays
(D) might play
(E) has been playing
I am confused between option B and C
IMO: B
group of chemical compounds known as the biogenic amines is singular

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