The microphone them to keep in touch; in other words it made it possible for them to con

问题补充：

The microphone them to keep in touch; in other words, it made it possible for them to contact each other.

A. enriched

B. enabled

C. endured

D. engaged

答案：

A. enriched

(答案→)B. enabled

C. endured

D. engaged

解析：考查动词辨析。前缀en表示“使能够”。A“丰富”；B“使能够”；C“容忍”；D“使忙于”。句意“那个麦克风使他们能够保持联系，换句话说，它使他们的相互联系成为可能。”enable sb. to do sth.使某人有能力做某事“。”故选B。