单选题：Which one of the following is not the necessary condition for a

Which one of the following is not the necessary condition for a deadlock to occur?@[A](1)
A. Starvation
B. Mutual exclusion
C. Hold and wait
D. NO Preemption




A.Starvation
B.Mutual exclusion
C.Hold and wait
D.NO Preemption


答案：A