You know great changes _____________ in our school in the past ten years.

A．have been taken place

B．took place

C．have taken place

D．were taken place

客户接受商业银行和理财人员提供的理财顾问服务后，收益和风险由（）。

A.客户获取收益，商业银行承担风险

B.商业银行获取和承担

C.客户与银行按约定方式获取和承担

D.客户获取和承担