48）有以下程序 structSTU {charname[10];intnum;floatTotalScore;}; voidf(structSTU*p) {structSTUs[2]={{"SunDan",20044,550},{"Penghua",20045,537}},*q=s; ++p;++q;*p=*q; } main() {structSTUs[3]={{"YangSan",20041,703},{"LiSiGuo",20042,580}}; f(s); printf("%s%d%3.0f\n",s[1].name,s[1].num,s[1].TotalScore); } 程序运行后的输出结果是 (A)SunDan20044550 (B)Penghua20045537 (C)LiSiGuo20042580 (D)SunDan20041703