A.形参传给实参 B.实参传给形参 C.双向传递 D.不能传递
A.intarr[3][4]={1,2,3,4,5,6,7,8,9,10,11,12}; B.intarr[3][4]={{1,2,3,4},{5,6,7,8},{9,10,11,12}}; C.intarr[][4]={1,2,3,4,5,6,7,8,9,10,11,12}; D.intarr[3][4]={{1,2,3},{4,5},{6}};
A.if(strcat(s1,s2)==1) B.if(strcat(s2,s1)>0) C.if(s1>s2) D.if(strcat(s1,s2)>0)