单选题
Thomas Edison considered genius to be ______ one percent inspiration and ninety-nine percent perspiration.
A、
composed of
B、
constituted in
C、
consisted of
D、
comprised in
【正确答案】
A
【答案解析】
词组和固定搭配。be composed of指“由……组成”，与句意相符。consist of指“由……组成”，不能用被动语态，故不合题意。
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