Which one is ________,the white one or the black one?

A．good

B．better

C．best

D．well

固冲汤与归脾汤的共同药物为

A．龙骨、牡蛎
B．人参、茯苓
C．白芍、当归
D．酸枣仁、龙眼肉
E．白术、黄芪