下列事件过程的功能是：建立一个名为Datal的随机文件，存放角度值及这些角度的正弦函数值和余弦函数值，角度为1，2，3，…，90。请在空白处填入适当的内容，将程序补充完整( )。
Private Type Ang
K As Integer
Sinx As Single
Cosx As Single
End Type
Dim Ksc As Ang
Private Sub Form_Click()
Dim Y As Single
Dim i As Integer
Dim Ksc As Ang
Open ______
Y = 3.14159 / 180
For i = 1 To 90
Ksc. K = i
Ksc. Sinx = Sin(i * Y)
Ksc. Cosx = Cos(i * Y)
______
Next i
Close #2
End Sub
A．"..\Data1.txt" For Random As #1 Len = 10Put #1, i, Ksc
B．"..\Data1.txt" For Random As #1 Len = 10Put #1, Y, Kse
C．"..\Data1.txt" For Random As #1Put #1, i, Ksc
D．"..\Data1.txt" For Random As #1Put #1, Y, Ksc
