如果两个角的顶点和两条边都重合，说明这两个角______．

设有如下用户定义数据类型：
Type Student
Number As String
Name As String
Age As Integer
End Type
则下列代码中能正确引用该类型成员的是

A．Student.name="李明"

B．Dim s As Student
s.name="李明"

C．Dim s As Type Student
s.name="李明"

D．Dim s As Type
s.name="李明"