设有如下的记录类型： Type Student Number As String Name As String Age As Integer End Sub 则能正确引用该记录类型变量的代码是（ ）。
A.Student.name=""
B.Dim s As Student s.name="张红"
C.Dim s As Type Student s.name="张红"
D.Dim s As Type s.name="张红"
正确答案是B