.Since I came here two years ago, great changes __________ in the factory and many people want to come here to pay a visit.

A have been taken place   B. had been taken place  C. have taken place   D. are taking place

下列不属于调补冲任法代表方剂的是

A．补肾固冲丸

B．健固汤

C．固冲汤

D．大补元煎

E．鹿角菟丝子丸