Kathy a lot of Japanese while working with some Japanese engineer.
A. made up
B. took up
C. pick up
D. turned up
网友回答
A. made up
B. took up
(答案→)C. pick up
D. turned up
解析：考查短语辨析。made up 组成，took up 从事，pick up 捡起，偶然学会，turned up 出现，句意：当凯西和一些日本工程师工作的时候偶然学会了许多日语。所以选C。