Which of the following shall not the officers in charge of the navigational watch do?（）

A.continue to be responsible for the safe navigation of the ship

B.Leave the bridge

C.Keep the watch on the bridge

D.Use any available navigational aids necessary to ensure that the ship follows the planned course

患者戴某，女，30岁。昨晚不慎受凉，突然出现呕吐，吐胃内容物及清水，伴有恶寒发热，头身疼痛，无汗，口不渴，胸脘满闷，舌苔白腻，脉濡缓。

治法宜选用（）

A.疏邪解表，芳香化浊

B.消食化滞，和胃降逆

C.燥湿化痰，健脾和胃

D.温养脾胃，降逆止呕

E.疏肝和胃，降逆止呕