单选题What is the normal length of anchor cable used to anchor a vessel?（）AAn amount equal to the depth of the waterBTwo times the depth of waterCThree to four times the depth of waterDFive to seven times the depth of water
单选题
What is the normal length of anchor cable used to anchor a vessel?（）
A
An amount equal to the depth of the water
B
Two times the depth of water
C
Three to four times the depth of water
D
Five to seven times the depth of water
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