下面程序的输出结果是 ( ) # include<stdio.h> # include<string.h> { char * p1="abc" , * p2=" ABC ",str[50]="xyz"; strcpy(str+2.strcat (pi,p2)); printf("%s/n",str);}
A.xyzabcAB
B.zabcABC
C.yzabcABC
D.xycbcABC