After Completing Detailed Planning for a Project,it Is Often Helpful

Multiple Choice

After completing detailed planning for a project,it is often helpful for the project manager and team to apply a sanity test to the project plan.Which of the following accurately describes the application of a sanity test?​ 

A)  It is based largely on the expectations of supervisors and sponsors. 
B)  It is primarily focused on the team members. 
C)  It should include questions to ensure budgets, schedules and resource plans are reasonable and achievable. 
D)  It focuses on whether the project charter should be changed