You are preparing to slush a stay on your vessel by lowering yourself down the stay in a bosun’s chair.The proper way to do this is to ride down the stay on a riding shackle（）.
A. with the pin of the shackle riding on the stay
B. with the pin of the shackle through the chair's bridle eye
C. with a hook attaching the chair to the riding shackle
D. connected to a second shackle on the chair
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