单选题：Suppose 5 processes share mutual exclusive sections. If 3 proces

Suppose 5 processes share mutual exclusive sections. If 3 processes are permitted to enter the mutual exclusive sections at the same time, then the semaphore of mutual exclusion should be initialized to __。 @[B](1)
A. 5
B. 3
C. 1
D. 0





A.5
B.3
C.1
D.0


答案：B