单选题：There are N (N>2) concurrent processes in a system. Which of the
There are N (N>2) concurrent processes in a system. Which of the following scenario is unlikely to happen? @[D](1)
A. a process is in running state, the other N-1 processes are in waiting state
B. a process is in running state, the other N-1 processes are in ready state
C. a process is in running state, a process is in ready state, the remaining N-2 processes are in waiting state.
D. 2 processes are in ready state, the other N-2 processes are in waiting state
A.a process is in running state, the other N-1 processes are in waiting state
B.a process is in running state, the other N-1 processes are in ready state
C.a process is in running state, a process is in ready state, the remaining N-2 processes are in waiting state.
D.2 processes are in ready state, the other N-2 processes are in waiting state
答案：D
A. a process is in running state, the other N-1 processes are in waiting state
B. a process is in running state, the other N-1 processes are in ready state
C. a process is in running state, a process is in ready state, the remaining N-2 processes are in waiting state.
D. 2 processes are in ready state, the other N-2 processes are in waiting state
A.a process is in running state, the other N-1 processes are in waiting state
B.a process is in running state, the other N-1 processes are in ready state
C.a process is in running state, a process is in ready state, the remaining N-2 processes are in waiting state.
D.2 processes are in ready state, the other N-2 processes are in waiting state
答案：D