Yao Ming is easily in the crowd because he is very tall.A. to pick upB. to pick outC. pic

问题补充：

Yao Ming is easily in the crowd because he is very tall.

A. to pick up

B. to pick out

C. picked up

D. picked out

答案：

A. to pick up

B. to pick out

C. picked up

(答案→)D. picked out

解析： 考查短语及用法。pick up 捡起，pick out 挑出，句意：姚明在人群中很容易被认出来，因为他非常高。根据语境被挑出，被认出，应用过去分词，所以选D。