在()和危险性较大的地方，应对是否设置了醒目的安全色、安全标志和声、光警示装置等进行考查。

A．无法消除危险

B．难以消除危险

C．无法预防危险

D．易发生故障

It is good practice to use long towlines for ocean tows because the（）.

A.wear on the towline is equalized

B.weight of the towline increases the towing force

C.dip in the towline absorbs shock loads

D.danger of overriding is reduced