A block and tackle is rove to advantage. This means that the（）.<br>A:blocks have been overhauled<br>B:hauling parts of two tackles are attached<br>C:hauling part leads through the movable block<br>D:hauling part leads through the standing block

A block and tackle is rove to advantage. This means that the（）.
A:blocks have been overhauled
B:hauling parts of two tackles are attached
C:hauling part leads through the movable block
D:hauling part leads through the standing block

出自：海船船员证

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