下列方剂中，组成药物中不含丹皮的是（）。
A.养阴清肺汤
B.青蒿鳖甲汤
C.肾气丸
D.清燥救肺汤
E.清胃散
参考答案：D
He was told that it would be at least three more months _____ he could recover and return to work.
A．when
B．since
C．before
D．that
脸谱lián pǔ
