In the middle of the night, we ______signals for help from another ship.
A.picked out
B.picked up
C.picked on
D.picked at
网友回答
B解析. pick up=receive(从无线电里)接收到或听到。此外，还有“拾起，收拾、用汽车接或搭载某人、廉价买到、取或得到、好转，改善(bee better; improve)、重新开始，继续(start again; continue)、偶然结识、通过实践学会、染(病)、打听到(消息)、发现(find)、逮捕(罪犯)、站起来、振作起来(pick oneself up)、责备某人”等。