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