治疗鹅口疮心脾积热证，应首选（）。
A.凉膈散
B.泻黄散
C.清热泻脾散
D.泻心导赤散
E.知柏地黄丸
参考答案：C
Sally had no pen ____ yesterday morning.
A．to write
B．to write with
C．writing
D．writing with
