下列程序的功能是求出所有的1~100之间的孪生素数。孪生素数是指两个素数的差为2,如3和5,11和13等,请填空。 Private Sub Form_Click() Dim i As Integer For i=3 To 97 Step 2 If【 】Then Print i,i+2 End If Next i End Sub Public Function prime(ByVal n As Integer)As Boolean Dim i As Integer For i=2 To n-1 If【 】Then Exit For End If Next i If i=n Then prime=True Else prime=False End If