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