－Excuse me. Could you tell me _________?

－Sure. I bought them in a video shop on River Road.

A．where you buy the CDs

B．where you bought the CDs

C．how you buy the CDs

D．how you bought the CDs

下列有关“解决投资争议国际中心”管辖权的叙述不准确的是：

A．争议双方当事人应当是缔约国国民与另一缔约国国民

B．争议必须是直接产生于投资的法律争议

C．双方当事人必须书面同意将争议提交中心管辖

D．一旦双方当事人将争议交付中心，原则上即排除了投资者本国的外交保护