---Does China have cultural relics?

--- Yes, it is admitted that many cultural relics in the world, such as the Great Wall, the Potala Palace, the Magao Caves and so on, ______ China.

A．belongs to

B．are belonging to

C．belonged to

D．belong to

哪个逻辑信道用于通过空中接口向运行中的MS发送系统信息（）。

A.FACCH

B.SDCCH

C.SACCH