单项选择题有下列程序 #include #include main( ) { char v[4][10], *p[4], *t; int i,j; for (i=0; i { p[i] = v[i]; scanf( %s , p[i]); } for (i=0; i for (j=i+1; j if (strcmp(p[i], p[j]) > 0) { t = p[i]; p[i] = p[j]; p[j] = t; } for (i=0; i printf( %s , p[i]); }程序执行时若输入: Welcome you to Beijing,则输出结果是A. Beijing Welcome to youB. Beijing to Welcome youC. Welcome you to BeijingD. to you Beijing Welcome