Question

Jack won the first prize in the computer competition. Two years of hard work and patience _______ in the end.

A．paid up

B．paid out

C．paid back

D．paid off

Answer 1

D

考查短语辨析。pay up 全部付清；pay out付出（钱）；报复 pay back偿还 pay off还清债务；取得成功；得到好的结果。根据意思，两年的努力工作和耐心最后得到了回报。