问题详情

请分析以下程序。 int main() { pid_t pid; pid = fork(); if(pid==0) printf("I am the child process, my process ID is%dn",getpid()); else printf("I am the parent process, my process ID is%dn",getpid());} 那么，该程序正确运行后的结果是
A.I am the child process, my process ID is 3744 I am the parent process, my process ID is 3987
B.I am the child process, my process ID is 3744
C.I am the parent process, my process ID is 3987
D.不输出任何信息请帮忙给出正确答案和分析，谢谢！