问题详情：
![Jennyworkshardasusualandithas]( "Jennyworkshardasusualandithas")
Jenny works hard as usual and it has________．She got the first in the final exam again.
A．showed off B．paid back
C．paid off D．turned up
【回答】
C 考查动词短语辨析。句意：珍妮照常努力学习而且也有了回报，她又一次在期末考试中获得第一名。根据句意选择C项，pay off意为“回报”。show off炫耀；pay back偿还；turn up出现。
知识点：动词
题型：选择题
