下列条件语句中,功能与其他语句不同的是( )。
(A)if(a) printf("%d\n",x); else printf("%d\n",y);
(B)if(a == 0) printf("%d\n",y); else printf("%d\n",x);
(C)if(a!= 0) printf("%d\n",x); else printf("%d\n",y);
(D)if(a == 0) printf("%d\n",x); else printf("%d\n",y);
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