A project has activities on the critical path that must be completed before other activities can start.
Task A is dependent on Task C before Task D can be completed.
Task A requires task B to start.
Task B takes twice as long to complete as Task C.
Which of the following is the appropriate ordering of the critical path?

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