单选题Chafing gear（）.Areduces and prevents corrosion of standing riggingBprevents corrosion of running riggingCreduces and prevents wear caused by the rubbing of one object against anotherDprotects the body against extreme cold
单选题
Chafing gear（）.
A
reduces and prevents corrosion of standing rigging
B
prevents corrosion of running rigging
C
reduces and prevents wear caused by the rubbing of one object against another
D
protects the body against extreme cold
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