The Master or person in charge of a ship shall insure that each deck from which lifeboats are launched is（）.

A.surfaced with a nonskid texture

B.roped off to prevent unnecessary access

C.kept clear of any obstructions that would interfere with launching

D.posted with a list of persons assigned to the lifeboat

工业广场具备绿化条件，但未绿化，每处扣（）分。

A、0.1

B、0.2

C、1

D、0.5