-The weather is too cold ____ March this year.  —It was still ____when I came here years ago.

A．for; colder

B．in; cold

C．in; hot

D．for; hotter

我国的船舶登记实行的是（）。

A.严格登记制度

B.开放登记制度

C.半开放登记制度

D.独立登记制度