— You must get excited about going to France to study oil painting.

— ________, but I'm afraid I can't do well because my French is too poor.[      ]

A. I don't know yet  

B. Certainly not

C. Well, I ought to have  

D. All right

下列各项，属不孕症肾气虚证临床表现的是（）

A.月经停闭

B.经量或多或少

C.经色暗

D.性欲淡漠

E.烦躁易怒