Adityagmatclub wrote:
Inten21 wrote:
An interesting fact about the human ear is that in the cochlea, hair cells are placed close to each other, moving in unison and assuming distinct cell shapes independent of one another.
A. moving in unison and assuming
B. they move in unison while assuming
C. move in unison, and assume
D. moving in unison yet assuming
E. even though they move in unison and assume
SOURCE: PREP4GMAT
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A - Incorrect:
The aggregation word and is used illogically to provide contrasting information. While grammatically correct, the use of and fails to express the contrasting behavior of hair cells that move together but take on different shapes.
B - Incorrect:
The two independent clauses are connected with a comma, but a semicolon is required.
C - Incorrect:
This answer is not grammatically correct. The use of move in unison, and assume would need the conjunction and to make it part of a verb phrase: are placed…, and move in unison, and assume. And, even then, it would be awkward and unidiomatic.
D - Correct:
The aggregation word yet is used correctly to show contrast. This answer choice is the one that would best explain why such phenomena are interesting to scientists and to us.
E - Incorrect:
This answer does not make sense. What’s surprising is not that the cells are placed close together.