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下列程序段的执行结果为 a='ABBACDDCBA' For I＝6 To 2 Step-2 x＝Mid(a,I,I) y＝Leh(a,I) z＝Right(a,I) z＝x & y & z Next I Print z
D.ABBABA

A.ABA
B.AABAAB
C.BBABBA

【参考答案】

C
解析：本题涉及到的知识点有 For循环语句、Mid函数、Left函数、Right函数和字符串运算符“&”。F......

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