Although I hadn’t seen Tom for years I immediately him in the crowd .A. picked ; upB. pi

问题补充：

Although I hadn’t seen Tom for years , I immediately him in the crowd .

A. picked ; up

B. picked ; out

C. picked ; at

D. picked ; on

答案：

A. picked ; up

(答案→)B. picked ; out

C. picked ; at

D. picked ; on

解析：短语辨析。A用车接；恢复；无意中学会；接受；B挑选出；辨认出；C找茬；D招惹；责备；句意：尽管我已经很多年没有见Tom了。但是我还是立刻在人群中把他认出来了。故B正确。