淘气买一个文具盒花了5.6元，比买3支钢笔少花7元，钢笔每支多少元？（用方程解）

You are the project manager for an initiative aimed at releasing a new product in the market. But because of government regulation, you will have to make some changes to the project scope and the WBS. Any approved modifications to the contents of the scope statement should be done through ______ updates.

A．scope management plan

B．work breakdown structure

C．project plan

D．none of the above