【单选题】

You are the project manager of a civil construction company involved with building houses. In your project, you often use work breakdown structures (WBS)from your previous projects as templates.

A、work breakdown structure can be used for all the following except ______ .
A、tracking project performance against cost and schedule
B．creating a network diagram, with task dependencies
C．creating a project schedule
D．assigning resources to work on different work elements