—There is no coffee left. Would you like a cup of tea         ?

—OK.    [ ]

A. neither    

B. instead      

C, too      

D. either

"亡血家不可发汗"所体现的治则是（）

A.未病先防

B.既病防变

C.因时制宜

D.因人制宜

E.扶正与祛邪并用