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【单选题】
P63.子过程Plus完成对当前库中"教师表"的工龄字段都加1的操作。 Sub Plis() Dim cn As New ADODB Connection Dim rs As New ADODB.Recordset Dim fd As ADODB,Field Dim strSQL AS String Set cn=CurrentProject.Connection strSQL="Select工龄from教师表" re.Open strSQL,cn,adOpenDynamic,adLockOptimistic,adCmdText Set fd=rs.Fields("工龄") Do While Not rs.EOF 【 】 re.Update rs.MoveNext Loop rs.Close cn.Close Set rs=Nothing Set cn=Nothing End Sub 程序空白处【 】应该填写的语句是
A.
fd=fd+1
B.
rs=rs+1
C.
工龄=工龄+1
D.
re.fd=re.fd+1
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