单选题：Which of the following is most appropriate flow for handling sys

Which of the following is most appropriate flow for handling system call?@[A](1)
A. system_call -> sys_fork -> do_fork
B. sys_fork -> system_call -> do_fork
C. sys_fork -> do_fork -> system_call
D. do_fork -> sys_fork -> system_call




A.system_call -> sys_fork -> do_fork
B.sys_fork -> system_call -> do_fork
C.sys_fork -> do_fork -> system_call
D.do_fork -> sys_fork -> system_call


答案：A