单选题：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 An

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
Si nx As Si ngle
Cosx As Si ngle
End Type
Private Sub Form＿Click（）
Di m Y As Si ngle
Di mi As Integer
Di m Ksc As Ang
Open ____________
Y ＝3．14159／180
For i ＝1To 90
Ksc ．K ＝i
Ksc ．Si nx＝Si n（i＊Y）
Ksc ．Cosx＝Cos（i ＋Y）
________
Next i
Close ＃2
Elld Stub A．＂．．＼Datal ．txt＂For Rando mAs ＃1Len ＝10 Put ＃1，i ，Ksc
B．＂．．＼Datal ．txt＂For Rando m As ＃1Len ＝10 Put ＃1，Y ，Ksc
C．＂．．＼Datal ．txt＂For Rando m As ＃1 Put ＃1，i ，Ksc
D．＂．．＼Datal ．txt＂For Rando m As ＃1 Put ＃1，Y ，Ksc