【题目】The microphone enabled them to keep in touch，________—it made it convenient for them to contact each other.
A.as well
B.in fact
C.in other words
D.as a result

【答案】C
【解析】as well“也”；in fact“事实上”；as a result“结果”，都不符合题意。in otherwords“换句话说”，符合题意。