设在工程中定义了如下类型：
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 Commandl_Click0
Dim student As Stutype
With student
.ino = 12
. strname = smith
.strsex =
.smark = 89
End With
End Sub

B．Sub Commandl_Click0
Dim student As Stutype
With student
.ino = 12
.strname = "smith"
.strscx = "男"
.smark = 89
End With
End Sub

C．Sub Commandl_Click0
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

公司发行境内上市外资股，应当委托经中国证监会认可的境内证券经营机构作为主承销商或者主承销商之一。公司不能聘请国外证券公司担任国际协调人。( )