下面程序计算并输出的是（）
　　Private Sub Comand1_Click()
　　a=10
　　s=0
　　Do
　　s=s+a*a*a
　　a=a-1
　　Loop Until a<=0
　　Print s
　　End Sub

A．Private Sub P1_MouseMove(Button AS Integer,Shift As Integer,X As Single, Y As Single)　　Print X,Y　　End Sub
B．Private Sub P1_MouseDown(Button AS Integer,Shift As Integer,X As Single, Y As Single)　　Picture.Print X,Y　　End Sub
C．Private Sub P1_MouseMove(Button AS Integer,Shift As Integer,X As Single, Y As Single)　　P1.Print X,Y　　End Sub
D．Private Sub Form_MouseMove(Button AS Integer,Shift As Integer,X As Single, Y As Single)　　P1.Print X,Y　　End Sub

A．For i=1 To 5　　For j=1 To 3　　Print a(j,i);　　Next　　Print　Next
B．For i=1 To 3　　For j=1 To 5　　Print a(j,i);　　Next　　Print　　Next
C．For j=1 To 5　For i=1 To 3　　Print a(j,i);　　Next　　Print　　Next
D．For i=1 To 5　　For j=1 To 3　　Print a(i,j);　　Next　　Print　　Next