问题
选择题
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
答案：D
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。