The Young Pioneer turned over to the police the wallet he had ________ in the street.
A.picked out
B.picked up
C.picked off
D.picked over
网友回答
B解析四个选项均为pick构成的及物的短语动词，但所表达的意义不同：pick up拾起，捡起；pick out选出，拣出；pick off摘下，取下；pick over仔细检查（以便选出最佳）。句意：那位少先队员把他在路上捡到的钱包交给了警察。