题干

What caused the tragedy to happen according to the authorities?

A: Overcrowding and the failure of the police to contro1 the crowds.

B:Unsafe exits and small squares to hold enough people.

C:Bad weather and dark lights to guide people to leave.

上一题 下一题 0.0难度 选择题 更新时间:2019-11-11 11:13:52

答案(点此获取答案解析)

A