单选题：Which of the following is most appropriate for the kernel stack
Which of the following is most appropriate for the kernel stack handling system call?@[A](1)
A. Every process has its own kernel space stack different from its user-space stack.
B. Every process has its own kernel space stack which is the same as its user-space stack.
C. Every process shares one common kernel space stack.
D. None of the above.
A.Every process has its own kernel space stack different from its user-space stack.
B.Every process has its own kernel space stack which is the same as its user-space stack.
C.Every process shares one common kernel space stack.
D.None of the above.
答案：A
A. Every process has its own kernel space stack different from its user-space stack.
B. Every process has its own kernel space stack which is the same as its user-space stack.
C. Every process shares one common kernel space stack.
D. None of the above.
A.Every process has its own kernel space stack different from its user-space stack.
B.Every process has its own kernel space stack which is the same as its user-space stack.
C.Every process shares one common kernel space stack.
D.None of the above.
答案：A