. There is a tradition of having a family dinner at home on lunar New Year’s Eve.

_____, however, the custom has changed.

A．Late

B．Later

C．Lately

D．Latter

防污设施的建设实行“三同时”制度是指（）。

A.同时设计

B.同时施工

C.同时验收

D.同时投产使用