PMP Question 147

Peter is a project manager handling an Alternate water-supply project. During a project performance review, he notices the following:
(i) Activity A, on the critical path, is delayed by 4 days.
(ii) Activity B, not on the critical path, is delayed by 9 days.
(iii) Activity C, on the critical path is delayed by 2 days
(iv) Activity D, not on the critical path, is delayed by 5 days.

In what sequence should Peter prioritize his efforts in addressing these delays?

A. Activity A, Activity B, Activity D, Activity C
B. Activity A, Activity C, Activity B, Activity D
C. Activity B, Activity D, Activity A, Activity C
D. Activity B, Activity A, Activity D, Activity C

B. Activity A, Activity C, Activity B, Activity D