单项选择题
A.1,2,3,4,5,6,7,8,9,0 B.2,1,4,3,6,5,8,7,0,9 C.0,9,8,7,6,5,4,3,2,1 D.0,1,2,3,4,5,6,7,8,9
A. EOF B. 非0值 C. 0 D. NULL
A. *&a[5] B. (*a)+2 C. *p+4 D. (a+2)