While we were listening to the speech attentively a voice to announce the result of the

问题补充：

While we were listening to the speech attentively, a voice to announce the result of the election

A. broke in

B. broke down

C. broke up

D. broke off

答案：

(答案→)A. broke in

B. broke down

C. broke up

D. broke off

解析：可联系答.案.网客服索取。