题目

 What is the man doing? Do you have a laptop or tablet in your backpack?<br />Yes, I do.<br />Please take them out and put them in the container.<br />Please remove your jacket and put it in as well.<br />Then walk through the metal detector now. A . Repairing his laptop. B . Trying on a new jacket. C . Undergoing a security check. 答案：C

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