要建立一个学生成绩的随机文件，如下定义了学生的记录类型，由学号、姓名、三门课程成绩(百分制)组成，下列程序段正确的是

A．Type stud1
no As Integer
name As String
score (1 To 3) As Single
End Type
B．Type stud1
no As Integer
name As String * 10
score ( ) As Single
End Type
C．Type stud1
no As Integer
name As String * 10
score (1 To 3) As Single
End Type
D．Type stud1
no As Integer
name As String
score (1 To 3) As Single
End Type