汉译英：“装运门岸，目的口岸”，正确翻译为( )。

A．shipping mark；port of discharge

B．place of delivery；shipping mark

C．port of loading；port of destination

D．port of discharge；port of loading

John is very diligent, but his pay isn't sufficient enough for his work.

A．good

B．much

C．legal

D．sound