设a="Visual Basic",下面使b="Basic"的语句是A.b=Left(a,8,12)B.b=Mid(a,8,5)C.b=Right(a,5,5)D.b=Left(a,8,5)

设a="Visual Basic",下面使b="Basic"的语句是

A.b=Left(a,8,12)

B.b=Mid(a,8,5)

C.b=Right(a,5,5)

D.b=Left(a,8,5)


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