单选题：Spooling can make an exclusive device ______.

Spooling can make an exclusive device ______.@[C](1)
A. more robust to use
B. to be exclusive owned by one process
C. to be shared among several concurrent processes
D. faster





A.more robust to use
B.to be exclusive owned by one process
C.to be shared among several concurrent processes
D.faster


答案：C