Trafficconditionsinbeijing______fordecades.Atfirstpeopl...

问题详情：

Traffic conditions in beijing ______ for decades. At first people only complained about jams during rush hours., but today every hour is rush hour.

A. is worsening  B. have been worsening  C. have worsened  D. worsened

【回答】

A

知识点：现在进行时及其被动式

题型：选择题