If you can’t decide which of the two books to borrow why don’t you take ? I won’t read t

问题补充：

If you can’t decide which of the two books to borrow, why don’t you take ? I won’t read them this week.

A. all

B. any

C. either

D. both

答案：

A. all

B. any

C. either

(答案→)D. both

解析：通读全句，只有填both句子意思最通顺。