以下程序中函数setup的功能是返回形参指针s1和s2所指字符串中较小字符串的首地址： # include＜stdio. h＞ # include＜string. h＞ char * scmp(char * s1, char * s2) { if(strcmp(s1, s2)＜0) return(s1); else return(s2); } main() { int i; char string[20], str[3][20]; for(i=0; i＜3; i++)gets(str[i]); strcpy(string, scmp(str[0], str[1])); strcpy(string, scmp(string, str[2]));printf("% s\n", string); } 若运行时依次输入：abcd、abba和abc3个字符串，则输出结果为______。

A．abcd

B．abba

C．abc

D．abca

---My car is broke .----You may use _____first . She won’t use it .

A． mine

B． his

C． yours

D． hers