The singer sang one more song at the _____ of enthusiastic fans.

The singer sang one more song at the _____ of enthusiastic fans.

A.command

B.recognition

C.request

D.service

答案及解析: C

解析:

at the request of sb 在某人的要求下  A. command“命令”;

B. recognition“认知”;

D. service“服务”,所以答案为C