I took them because I didn't know which was the best.A. neitherB. nobodyC. no oneD. all

问题补充：

I took them because I didn know which was the best.

A. neither

B. nobody

C. no one

D. all

答案：

A. neither

B. nobody

C. no one

(答案→)D. all

解析：从最高级可知,指三者以上,又因为“不知哪个最好”,所以“全部都要”.