给定资料提到“网络本身所具有的隐蔽性和不确定性，也给网络募捐带来了监管上的难度”，请根据给定资料7、材料8，联系实际，提出保障个人网络募捐真实性与合法性的有效途径。

So much of interest           that  most visitors simply run out of time before seeing it all.       [ ]

A. offers Beijing              

B. Beijing offers      

C. does Beijing offer          

D. Beijing does offer