【单选题】 驾驶台始终有驾驶员值班。【】（技能鉴定,其他技能,船舶水手证真题）

【单选题】 驾驶台始终有驾驶员值班。【】

ASailors are always on watch on the bridge.

BDeck officers are always on watch on the bridge.

CSailors are never on watch on the bridge.

DDeck officers are never on watch on the bridge.