Q) A peculiar feature of the embryonic mammalian circulatory system is that in the area of the heart the cells adhere to one another, beating in unison and adopting specialized orientations exclusive of one another.
(A) beating in unison and adopting
(B) they beat in unison while adopting
(C) beat in unison, and adopt
(D) beating in unison yet adopting
(E) even though they beat in unison and adopt
This is the type of a sentence, where we have to look at the meaning a little more closely. The underlined portion is a contrast.
A. - wrong, shows no contrast, 'doing this and doing that', while it should be 'doing one thing, yet doing another thing [which is contrasted with the first]'
B - run on sentence, we need a semi-colon after 'adhere to one another' in order to make this work, because B offers us a complete sentence with subject and verb
C - clearly wrong, changes the meaning of the sentence: it puts adhere
on the same level, whereas, beat
simply explain what is meant by adhere
E - too wordy, plus jult like in B, it is a run-on sentence. It gives an effort an making a contrast, but fails and changes the meaning of the sentence once again.
I hope that aids your understanding, Syamee.[/b]
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