题目

下面的程序，若想运行结果是Best Wishes to you!，则划线处代码可能是（      ） s="Happy National Day!" m=           if m=="Happy":     print("Happy to you!") elif m=="National":     print("Best Wishes to you!") else:     print("It's a fine Day!") A . s[6:13] B . s[7:14] C . s[-6:-14:-1] D . s[-13:-5:1] 答案：D

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