Sentence Correction (SC) | Re: When drive-ins were at the height of their popularity in the

B. Correct usage of "fewer" and correct idiom.
C. correct usage of the work "fewer" since you can say "how many drive-ins" and not "how much drive-ins". However, according to parallelism rules, the usage of "that amount" is incorrect because "amount" implies a number that cannot be counted (review difference between number and amount). In addition, the sentence is wordier than option B, which is already correct.

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