A. I really dont see how you gave D as an answer and its is showing incorrect, the correct answer is D .. lol .. well thats paradoxical :D
B. What the hell is exit ? Completion? Termination or just shutting down the system?
C. Scheduler dispatch may change/effect the process in running state. Thats called preemption.
Mam, I strongly think that this is an absurd question.