My brother French while he was working in Paris and he could speak it very well.A. took

问题补充：

My brother French while he was working in Paris, and he could speak it very well.

A. took up

B. put up

C. picked up

D. gave up

答案：

A. took up

B. put up

(答案→)C. picked up

D. gave up

解析：A. took up占据，从事，拿起，开始学习，B. put up搭建，竖立，提供食宿， C. picked up捡起，偶然习得，收听，接送，D. gave up放弃，句意：我哥哥在巴黎工作的时候偶然习得了法语，他能说的很好。选C。