No agreement has been reached as both sides refused to at the meeting held yesterday even

问题补充：

No agreement has been reached as both sides refused to at the meeting held yesterday evening.

A. give out

B. give in

C. give up

D. give off

答案：

A. give out

(答案→)B. give in

C. give up

D. give off

解析：A. give out分发，用尽，B. give in屈服，让步，C. give up放弃，D. give off散发，句意：在昨晚举行的会议上，没有达成协议因为双方都不向对方让步。根据句意选B。