单选题Mousing a cargo hook with marline or small line（）.Aincreases the lifting capacity of the hookBprotects the hook from the sling ringCprevents the sling ring from coming out of the hookDAll of the above
单选题
Mousing a cargo hook with marline or small line（）.
A
increases the lifting capacity of the hook
B
protects the hook from the sling ring
C
prevents the sling ring from coming out of the hook
D
All of the above
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