I usually forget            the door, but I remembered            it when I left yesterday. [ ]

A. closing, closing

B. to close, to close

C. to close, closing

D. closing, to close

温经汤和生化汤均含有的药物是（）

A.生姜、甘草

B.当归、川芎

C.干姜、当归

D.生姜、川芎

E.桃仁、红花