问题
选择题
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
答案：B
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。