有以下程序：#include struct STU{ int num;float TotalScore;};void f(struct STU p){struct STU s[2]={{20044,550},{20045,537}};p.num=s[1].num; p.TotalScore=s[1].TotalScore;}main(){ struct STU s[2]= {{20041,703},{20042,580}};f(s[0]);printf( %d %3.0f n ,s[0].num,s[0].TotalScore);}程序运行后的输出结果是______。
A．20045 537
B．20044 550
C．20042 580
D．20041 703