In the past few years, he has collected a lot of ancient coins, _______ date back to the Ming and Qing Dynasties.

A．most of them

B．most of that

C．most of which

D．most of those

保险标的遭受保险事故引起的各种间接损失属于企业财产保险基本险的()。

A.除外责任

B.基本责任

C.保险责任

D.附加责任