---Did you watch the movie Tangshan Earthquake last night?

---I had planned to, but it ___ hard all the time.

A．is raining

B．was raining

C．has rained

D．had rained

为了统一规定海上运输承运人和托运人的权利和义务，国际上签署了（）有关提单的国际公约。

A.<海牙规则>

B.<维斯比规则>

C.<汉堡规则>

D.<海商法>