单项选择题
A.”stdio.h” B.”string.h” C.”math.h” D.”ctype.h”
A.windows95 B.windows C.95 D.95windows
A.inta[][]={1,2,3,4}; B.intx[2][2]={1,2,3,4,5}; C.intx[2][]={1,2,4,6}; D.intm[][3]={1,2,3,4,5,6};