—Mom, I don’t know which song to choose in the singing contest.

—Why not ask your friends？You know         .

A．every man his weak side

B．easier said than done

C．four eyes see more than two

D．every man is the architecture of his own fortune

为保护和改善生活环境与生态环境，防止污染和其他公害，保障人体健康，促进社会主义现代化建设的发展，制定（）。

A.大气污染防治法；

B.水污染防治法；

C.环境保护法；

D.工业“三废”排放标准。