请分析下列程序。
int main(){printf("This is in main program");if(fork()==0)printf("I am in child process");elseprintf("I am in parent process");}
程序正确运行后结果是
A.Thisisinmainprogram B.Iaminchildprocess C.Iaminparentprocess D.Thisisinmainprogram E.Iaminchildprocess F.Thisisinmainprogram G.Iaminparentprocess H.Thisisinmainprogram I.Iaminchildprocess J.Thisisinmainprogram K.Iam