When evacuating a seaman by helicopter lift，which statement is TRUE?（）
- AEvacuation should be from an area forward of the bridge
- BThe vessel should be slowed to bare steerageway
- CIf the hoist is at the stern，booms extending aft at the stern should be cradled with the topping lifts hove taut
- DThe litter should not be touched until it has been grounded