-Excuse me. Could you tell me _____?

-Yes. There is a video shop on River Road.[ ]

A. where can I buy some CDs

B. when I can buy some CDs

C. when can I buy some CDs

D. where I can buy some CDs

单千斤索轻型吊杆在双杆作业时，稳索的系结位置要适当，其系结点：舷外吊杆的稳索在两吊杆根部连线（），舷内吊杆的稳索要在两吊杆根部连线（）。

A.后方；前方

B.前方，后方

C.前方，前方

D.后方，后方