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
网友回答
(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。