采用DAO完成对“教学管理.mdb”文件中“学生表”的学生年龄都加1的操作,程序空白处应填写的语句是______。
Sub SetAgePlus()
Dim WS As DAO.Workspace
Dim db As DAO.Database
Dim rs As DAO.Recordset
Dim fd As DAO.Field
Set db=CurrentDb()
Set rs=db.OpenRecordset("学生表")
Set fd=rs.Fields("年龄")
Do While Not rs.EOF
______
fd=fd+1
rs.Update
rs.MoreNext
Loop
rs.Close
db.Close
Set rs=Nothing
Set db=Nothing
End Suh
A.rs.Fields.Edit
B.rs.Edit
C.Fields.Edit D.Edit