单选题：Preemption of resources can be enforced to prevent occurrence of

Preemption of resources can be enforced to prevent occurrence of deadlocks, but this can't be applied to all the resource types, as preemption might leave the resource in an undetermined state. Which of the following resources can't hence be preempted?@[C](1)
A. CPU registers
B. Memory space
C. Tape drive
D. All of the above




A.CPU registers
B.Memory space
C.Tape drive
D.All of the above


答案：C