47）有以下程序 #include structSTU {charname[10]; intnum;}; voidf(char*name,intnum) {structSTUs[2]={{"SunDan",20044},{"Penghua",20045}}; num=s[0].num; strcpy(name,s[0].name); } main() {structSTUs[2]={{"YangSan",20041},{"LiSiGuo",20042}},*p; p=%26s[1];f(p->name,p->num); printf("%s%d\n",p->name,p->num); } 程序运行后的输出结果是 (A)SunDan20042 (B)SunDan20044 (C)LiSiGuo20042 (D)YangSan20041