麝香的功效是( )

A．清热止痛
B．清心化痰
C．辟秽祛浊
D．化湿和胃
E．开窍醒神

A squeeze-grip type carbon dioxide portable fire extinguisher has been partially discharged. It should be（）.

A.labeled empty and recharged as soon as possible

B.replaced in its proper location if weight loss is no more than 25%

C.replaced in its proper location regardless of weight

D.replaced in its proper location if weight loss is no more than 15%