单项选择题

0n a single-screw vessel the stern frame（）.

A.furnishes support to the rudder, propeller shaft, and transom frame
B.provides foundations for after mooring winches
C.provides foundation for the main propulaion engines
D.transfers the driving force of the propller to the hull

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0n a vesel proceeding from a very cold to a warm climate with a cargo of a nonhygroscopic nature in the holds, which is true?（）.

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