500 000dollars a lot of money but it’s far less than they need.A. isB. areC. wereD. was

问题补充：

500,000dollars a lot of money, but it’s far less than they need.

A. is

B. are

C. were

D. was

答案：

(答案→)A. is

B. are

C. were

D. was

解析：当名词为时间、金钱和距离时，不管它本身是什么形式，单数或复数，作主语时，相当于三单形式。又根据后一句，判断是一般现在时态，故选A