—I’m sure Mary will pass the driving test.

—I think so. She        for it for months.

A．is preparing

B．was preparing

C．has been preparing

D．had prepared

旋覆代赭汤与橘皮竹茹汤两方中含有的相同药味是

A．半夏、茯苓、生姜、大枣
B．半夏、茯苓、生姜、甘草
C．半夏、人参、甘草、大枣
D．人参、甘草、大枣、生姜
E．半夏、黄芩、甘草、生姜