It is said that Chinese eat vegetables per person today as they did about 30 years ago. A

问题补充：

It is said that Chinese eat vegetables per person today as they did about 30 years ago.

A. more than twice

B. as many as twice

C. twice as many as

D. more than twice as many

答案：

A. more than twice

B. as many as twice

C. twice as many as

(答案→)D. more than twice as many

解析：倍数表达：倍数 +as ... as ... 据说中国人每天的蔬菜食用量是三十年前的两倍多。注意此题中的more than不是比较级是“超过”的意思。