题目：
If the cargo gear on your vessel is equipped with a regular guy and a preventer guy，you should（）.
A.let the schooner guy take most of the strain，thus transferring the load to the opposite boom
B.leave the preventer guy slack
C.secure them as close together as possible on deck
D.secure them so the angle between them is 90°at the boom head
答案：
参考答案：C
