Malacca Strait is 805 km（）and（）from 64 km in the S to 257 km in the N.

A.on the basis of
B.as a result of
C.arise from
D.come into being

A.middle of the channel
B.starboard side of the channel
C.port side of the channel
D.side of the channel that has the widest turns

A.displacement tonnage
B.deadweight tonnage
C.registered tonnage
D.gross tonnage