The most important thing ____ when ____an emergency is to stay calm.

A．keep it in mind; deal with

B．keep in mind; dealing with

C．to keep it in mind; dealing with;

D．to keep in mind; dealing with

下列药品中不属于外服药的是[ ]

A．酒精    

B．碘酒   

C．风油精  

D．板蓝根