单选题：A time-sharing system typically utilizes the ___________ schedul

A time-sharing system typically utilizes the ___________ scheduling to serve user processes.@[B](1)
A. Reliable and flexible
B. Round-robin
C. Weighted time-slicing
D. Shortest job first





A.Reliable and flexible
B.Round-robin
C.Weighted time-slicing
D.Shortest job first


答案：B