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题目内容 (请给出正确答案)

下列程序段的结果为______。

A="ABBACDDCBA"

For I=6 T0 2 Step-2

X=Mid(A,I,I)

Y=Left(A,1)

Z=Right(A,1)

Z=X & Y & Z

Next 1

Print 2

A.ABA

B.AABAAB

C.BBABBA

D.ABBABA


参考答案

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