There is no doubt she will be able to repay the money on time.A. thatB. whichC. whetherD.

问题补充：

There is no doubt she will be able to repay the money on time.

A. that

B. which

C. whether

D. why

答案：

(答案→)A. that

B. which

C. whether

D. why

解析：考查doubt的用法。doubt用于肯定句时用whether引导同位语从句；用于否定句时，用that引导。例如：There is no doubt that...“......是毫无疑问的。”；There is some doubt whether he will come.。本题是否定句，故用that，句意“她会及时偿还这些钱，这是毫无疑问的。”故选A。