单选题：Assume that a system has 9 instances of 1 resource type shared b

Assume that a system has 9 instances of 1 resource type shared by 4 processes. How many resource instances can a process be allowed to request in order to avoid deadlock?@[C](1)
A. 1
B. 2
C. 3
D. 4





A.1
B.2
C.3
D.4


答案：C