A particular stakeholder has a reputation for making many changes on projects. What is the BEST approach a project manager can take at the beginning of the project to manage this situation

A) Say "no" to the stakeholder a few times to dissuade him from submitting more changes.
B) Get the stakeholder involved in the project as early as possible.
C) Talk to the stakeholder's boss to find ways to direct the stakeholder's activities to another project.
D) Ask that the stakeholder not be included in the stakeholder listing.

计算机联锁“区段故障解锁”按钮只对（）有效。

A、进路始端

B、进路终端

C、无岔区段

D、道岔区段