Tim Bemers-Lee is generally considered ____ the World Wide Web, on which all the information is shared by all.

A．to have founded

B．having founded

C．founding

D．to found

建设工程监理组织设计要遵循管理跨度与( )统一的原则。

A．管理层次
B．管理职能
C．管理级次
D．管理部门