具有宣肺祛痰，利咽透疹功效的药物是（）
A.蔓荆子
B.桑叶
C.菊花
D.牛蒡子
E.升麻
参考答案：D
To our ______, the result of the experiment is much better than we expected.
A．relief
B．regrets
C．disappointment
D．sorrow
