---I've got a ticket to the opening ceremony of the twenty-ninth Olympics. I'm leaving for London in a few days.
---What a lucky guy!______.A.It's kind of youB.Enjoy yourselfC.That's all right
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B解析考查交际用语的用法。前者将要旅行，后者的答语要表示祝愿，因此选Enjoy yourself（玩得愉快）。