They made an important decision the end of the meeting.A. inB. byC. onD. at

问题补充：

They made an important decision the end of the meeting.

A. in

B. by

C. on

D. at

答案：

A. in

B. by

C. on

(答案→)D. at

解析： at the end of 固定搭配在…结尾，在…底/末。