低压机油压低是什么原因造成的？

设有如下的记录类型：
Type Student
number As String
name As String
age As Integer
End Type
则正确引用该记录类型变量的代码是

A．Student.name=“张红”

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”