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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