[单项选择题] 将A区上的主表文件按关键字段“XM”和C区上的辅助文件建立关联,正确的是( )
A.SET RELATION TO XM INTO C
B.SET RELATION TO C INTO XM
C.SET RELATION TO XM TO C
D.SET RELATION ON XM INTO C
正确答案:A

[单项选择题] 将A区上的主表文件按关键字段“XM”和C区上的辅助文件建立关联,正确的是( )
A.SET RELATION TO XM INTO C
B.SET RELATION TO C INTO XM
C.SET RELATION TO XM TO C
D.SET RELATION ON XM INTO C
正确答案:A