The Pacific Ocean’s total volume is roughly twice as large as ______________________.

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writing

Which choice completes the text so that it conforms to the conventions of Standard English?

A

the Atlantic Ocean.

B

that of the Atlantic Ocean.

C

those of the Atlantic Ocean.

D

the water in the Atlantic Ocean.

Correct Answer: B

Choice B is the best answer. The comparison is between the "total volume" (singular) of one ocean and the volume of another. "That of" correctly refers to the singular antecedent.

Choice A is incorrect because it compares "volume" to an "ocean." Choice C is incorrect because "those" is plural. Choice D is incorrect because "the water" is a new noun that is slightly different from the measurement "volume."