有以下程序 #include main() { struct STU { char name[9]; char sex; double score[2]; }; struct STU a={"Zhao", 'm', 85.0, 90.0}, b={"Qian", 'f', 95.0, 92.0}; b=a; printf("%s,%c,%2.0f,%2.0f\n", b.name, b.sex, b.score[0], b.score[1]); } 程序的运行结果是