—I just heard that the tickets for tonight's show have been sold out.

—Oh, no！________.

A．I was looking forward to that

B．It doesn't matter

C．I knew it already

D．It's not at all interesting

证见治疗牙痛，头痛，齿松牙衄，烦热干渴，舌红苔黄而干，宜用的方剂是（）

A.玉女煎

B.凉膈散

C.龙胆泻肝汤

D.清胃散

E.芍药汤