设在工程中定义了如下类型： Type stutypeino As Integers

问题：

设在工程中定义了如下类型：
Type stutype
ino As Integer
stmame As String*20
strsex As String*1
smark As Single
End Type
在窗体上正确使用这个类型的是下列哪个操作( )。

A．Sub Command1_click()
Dimstudent As Stutype
With student
.ino=12
.strname=smith
.strsex=男
.smark=89
End With
End Sub

B．Sub Command1_Click()
Dim student As Stutype
With student
.ino=12
.strname="smith"
.strsex="男"
.smark=89
End With
End Sub

C．Sub Command1_Click()
Dim student As Stutype
With Stutype
.ino=12
.strname="smith"
.strsex="男"
.smark=89
End With
End Sub

D．Sub Command1_click()
Dim student As Stutype
With student
.ino=12
.strname="smith"
.strsex="男"
.smark=89
End student
End Sub