Activity A takes one day
Activity B follows A and takes five days
Activity C follows B and takes two days.
Activity D follows B and A takes two days.
Activity E is preceded by C and D and takes two days.
What would be the critical path(s)?


A. A-B-C-E and A-B-D-E
B. A-B-C-E and A-D-E

C. A-B-D-E
D. A-D-E and A-B-D-E