（）是确定保险代理关系的基础。

A.保险代理人执业证书

B.保险代理人从业资格证书

C.保险代理合同

D.代理销售的保险产品

— How are you getting on with Mary, your girl friend?

— _____. [ ]

A. Break up

B. Broken up

C. Break down

D. Broken down