Tasks B and D Start After Task a Is Completed

Multiple Choice

Tasks B and D start after Task A is completed. Task C starts after Tasks B and D are completed. task E starts after Task D is completed. Task H starts after task B is completed. Task G starts after Tasks C and H are completed. Task F starts after Task E is completed. Following are the durations of all tasks: Which of the following tasks are on the critical path?

A) A, D, C, G
B) A, B, H, G
C) A, D, E, F
D) A, B, C, G