运行下列程序：
Option Base 1
Private Sub Form_Click()
y = 43
x = Array(21, 4, 50, 18, 23, 44, 87, 32, 67, 70)
For i = 1 To 10
If x(i) < y Then
z = x(i) + 1
y = x(i)
Else
z = z + y
End If
Next i
Print z
End Sub
单击窗体后，则在窗体上显示的结果是()。

A.43
B.21
C.37
D.44