请各位大大帮忙看一道题

saophine

Today’s technology allows manufacturers to makesmall cars more fuel-efficient now than at any time in their production history

A. small cars more fuel-efficient now than at any time in their

B. small cars that are more fuel-efficient than they were at any time in their

C. small cars that are more fuel-efficient than those at any other time in

D. more fuel-efficient small cars than those at any other time in their

E. more fuel-efficient small cars now than at any time in

这题的答案选c， 但N + that be 不是必错的结构吗？为什么这里是对的？

richtung

谁说这个结构必错了？

吉曼特托夫

gmat改错不是选最对的而是选最好的。这个结构不是必错而是不简洁，其他四个选项的错误更不能容忍，所以这个是最好的

saophine

谢谢！！受教了！