单选题：Which of the following statements is most appropriate for the ke
Which of the following statements is most appropriate for the kernel stack handling system call?@[A](1)
A. The kernel stack is adjacent to the process control block.
B. Every process has its own kernel stack which is the same as its user stack.
C. Every process shares one common kernel stack.
D. Normally the kernel stack is greater than the user stack.
A.The kernel stack is adjacent to the process control block.
B.Every process has its own kernel stack which is the same as its user stack.
C.Every process shares one common kernel stack.
D.Normally the kernel stack is greater than the user stack.
答案：A
A. The kernel stack is adjacent to the process control block.
B. Every process has its own kernel stack which is the same as its user stack.
C. Every process shares one common kernel stack.
D. Normally the kernel stack is greater than the user stack.
A.The kernel stack is adjacent to the process control block.
B.Every process has its own kernel stack which is the same as its user stack.
C.Every process shares one common kernel stack.
D.Normally the kernel stack is greater than the user stack.
答案：A