问题补充：
He some French while he was away on a business trip to Paris.
A. made out
B. picked up
C. gave up
D. took in
答案：
A. made out
(答案→)B. picked up
C. gave up
D. took in
解析：考查动词短语：A. made out辨认出，理解，B. picked up捡起，收听，恢复，接送，这里是“无意间学会一种外语” C. gave up放弃，D. took in欺骗，吸收，理解，该句翻译：他去巴黎出差时学会了点法语。选B。
