At the end of the meeting it was announced that an agreement .A. has been reachedB. had b

问题补充：

At the end of the meeting, it was announced that an agreement .

A. has been reached

B. had been reached

C. has reached

D. had reached

答案：

A. has been reached

(答案→)B. had been reached

C. has reached

D. had reached

解析：考查时态。根据语境及时间状语At the end of the meeting在会议结束的时候，可知用过去完成时，选B。句意：在会议结束的时候，宣布已经达成协议。