What can be inferred about old nepotism

A．Parents maximized the family advantages for the benefits of their children.

B．Parents gave full respect to the likes and dislikes of their children.

C．Children had their own choice of career and marriage.

D．Children willingly lived on the expectations of their families.

污水泵站集水池的容积应大于（）一台水泵（）流量的容积。

A.最小；30s

B.最小；5min

C.最大；30s

D.最大；5min