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若有定义：int x,y; char a,b,c; 并有以下输入数据(此处，<cr>代表换行符)1,2<cr>A,B,C<cr>则能给x赋整数1，给y赋整数2，给a赋字符A，给b赋字符B，给c赋字符C的正确程序段是( )。 A、 scanf("x=%d,y=%d",&x,&y);a=getchar();b=getchar();c=getchar(); B、 scanf("%d,%d",&x,&y);a=getchar();b=getchar();c=getchar(); C、 scanf("%d,%d,%c,%c,%c,%c,%c,%c",&x,&y,&a,&a,&b,&b,&c,&c); D、 scanf("%d,%d,%c,%c,%c",&x,&y,&a,&b,&c);
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struct student {long int num; char name[20]; char sex; char addr[20]; }______。以下能够正确定义的是 A、 a={"Li Lin",10101,'M',"123 Beijing Road"}; B、 a={10101,"Li Lin","123 Beijing Road",'M'}; C、 a={10101,"Li Lin",'M',"123 Beijing Road"}; D、 a={"123 Beijing Road","Li Lin",'M',10101};
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