单项选择题

对窗体编写如下代码:
Option Base 1
Private Sub Form_ KeyPress (KeyAscii As Integer)
a=Array(237,126,87,48,498)
m1=a(1)
m2=1
If KeyAscii=13 Then
For i=2 To 5
If a(i)>m1 Then
m1=a(I)
m2=i
End If
Next i
End If
Print m1
Print m2
End Sub
程序运行后,按回车键,输出结果为______ 。

A.48
4
B.237
1
C.498
5
D.498
4