设在工程中定义了下列类型： Type Stutype ino As Integer strname As String*20 Strsex As Strin

设在工程中定义了下列类型： Type Stutype ino As Integer strname 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() Dim student 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