Suppose that there are ten resources available to three processes. At time 0, the following data is collected. The table indicates the process, the maximum number of resources needed by the process, and the number of resources currently owned by each process. Which of the following correctly characterizes this state?
Process —— Maximum Needs—— Currently Owned
P0 —————— 10 ———————— 4
P1 —————— 3 ———————— 1
P2 ——————6 ———————— 4
A.It is safe.
B.It is not safe.
C.The state cannot be determined.
D.It is an impossible state.
正确答案是B