It is reported that a woman as well as two children ______ from a big fire yesterday.

A．was saved

B．were saved

C．had been saved

D．have been saved

下列属于“民生”（关系到老百姓生存发展的事）问题的是（）。

①看病难、看病贵

②住房难、住房贵

③交通拥挤

④义务教育发展不均衡

A.①②④

B.①②③

C.②③④

D.①②③④