请分析以下程序。 int main() { pid_t pid; pid = fork(); if(pid==0) printf(I am the child pr

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%d ",getpid()); else printf("I am the parent process, my process ID is%d ",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！