The Young Pioneer turned over to the police the wallet he had ________ in the street.
A.picked outB.picked upC.picked offD.picked over在线课程B
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。