很费解的一道题！答案是C，我选了D。

gracehanyin

When drive-ins were at the height of their popularity in the late 1950’s, some 4,000 existed in the United States, but today there are less than one-quarter that many.

A.    there are less than one-quarter that many
B.    there are fewer than one-quarter as many
C.    there are fewer than one-quarter of that amount
D.    the number is less than one-quarter the amount
E.    it is less than one-quarter of that amount

IESE

同问，到底是B还是C啊？？？把prep原题找出来的贴以下 ~~~

Stefaniezhu

我也选的D，现在明白为什么不选D了，4000前有some修饰所以说some 4000指代的是4000 drive-ins，是一个群体，不过刚刚看到一个帖子说prep上选B==prep上的答案应该是官方的

nobody910

我第一反应是number和amount不对头~

ubccoming

错在less／fewer吧