It’s known to us that Callum the local accent after talking with the native speakers.
A. put up
B. picked up
C. made up
D. set up
网友回答
A. put up
(答案→)B. picked up
C. made up
D. set up
解析：考查动词短语辨析。句意：众所周知，Callum在和当地人交谈过之后，学会了当地的口音。A举起，进行，留宿；B学会（语言），车接某人，捡起；C组成，编造，化妆，弥补；D建立。故选B。