要建立一个随机文件记录学生的信息，如下定义了学生的记录类型，由学号、姓名、5门课程成绩(百分制)组成，下列的定义正确的是( )。
A．typE stu
no As intEgEr
nAmE As string
sCorE(1 to 5)As singlE
EnD typE
B．typE stu
no As intEgEr
nAmE As string*10
sCorE()As singlE
EnD typE
C．typE stu
no As intEgEr
nAmE As string*10
sCorE(1 to 5)As singlE
EnD typE
D．typE stu
no As intEgEr
nAmE As string
sCorE()As singlE
EnD typE