With the help of his friends he has a good business over the years.A. built upB. made upC

问题补充：

With the help of his friends, he has a good business over the years.

A. built up

B. made up

C. grown up

D. picked up

答案：

(答案→)A. built up

B. made up

C. grown up

D. picked up

解析：考查动词短语。句意：在朋友的帮助下，他已经扩大了自己的生意。A. built up逐步增强，逐步扩大 B. made up组成，占比例，编造 C. grown up长大 D. picked up拾起，无意中学会，接人取物，中途搭人，所以Ａ正确。