—How about _______ Christmas evening party?    

—I should say it was _______ success.   [ ]

A. a; the        

B. the; a        

C. /; a          

D. /; the

应激时下列何种激素可降低（）。

A.胰高血糖素

B.胰岛素

C.催乳素

D.ADH