It takes a long time to a good name，but this name is quickly lost by just one piece of bad behavior.
A. pick up
B. think up
C. build up
D. make up
网友回答
A. pick up
B. think up
(答案→)C. build up
D. make up
解析：短语辨析。A用车接，捡起，无意中学会，恢复，接受信号；B思考，考虑；C建立，取得；D化妆，编造，弥补，组成；结合句意可知C正确。句意：要花很长时间才能取得好的声誉，但是一个小小的不好的行为很快就可以让它付之东流。