题目内容

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. This is in main program I am in child process I am in parent process
B. This is in main program I am in child process
C. This is in main program I am in parent process
D. This is in main program I am in child process This is in main program I am

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