This year the company has produced as many cars as the year before last but the total pro

问题补充：

This year the company has produced as many cars as the year before last, but the total profits are four-fifths they were then.

A. that

B. what

C. which

D. when

答案：

A. that

(答案→)B. what

C. which

D. when

解析：考查倍数表达。实际上也是考查表语从句，what引导表语从句what they were并在句中做were的表语。句意：今年这家公司生产的汽车和前年一样多，但是利润只有那时的五分之四。