My father            ill yesterday. [ ]

A. isn't

B. aren't

C. wasn't

D. weren't

下列不正确的是

A．温热性应用不当，有伤阴助火之害
B．寒凉性应用不当，有伤阳助寒之弊
C．石膏属凉性药物
D．温热属阳
E．寒凉属阴