It______last week that the haze(雾霾)in BeiJing caused man Wap版

试题详情及答案解析: It______last week that the haze(雾霾)in BeiJing caused many problems.
A. was reported
B. is reported
C. reported; 答案：A; 试题分析: 句意：据报道，上周在北京的雾霾引起了许多的问题。结合语境可知本句描述的是过去的状态，主语是动作对象，故用被动语态。选A。
考点：考查被动语态。