A.int *p=new int(3);cout*p;delete p;

B.int *p=new int[5]={1,2,3,4,5};for(int i=0;i5;i++)coutp[i];delete []p;

C.int *p=new int[5];for(int i=0;i5;i++,p++) {*p=i; cout*p;}delete []p;

D.以上程序段均正确