If the Total Slack for a Project Is 4 Days

Multiple Choice

If the total slack for a project is 4 days, this means

A) the activities on the path can be delayed a total of four days and the project still could be completed on time.
B) the activities on the path must be accelerated by four days for the project to be completed on time.
C) all the activities must be accelerated by four days for the project to be completed on time.
D) all the activities can be delayed by four days and the project still be completed on time.