单选题：请在（49）处填写正确答案。

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题目内容：
请在（49）处填写正确答案。 A．Some people have fun imagining new holidays.
B．That is supposed to be Toothache Day.
C．Then begins the world's biggest food fight.
D．They bring him back to town, put a crown on his head, and make him king for three days.
E．Jokes are supposed to be funny, but these jokes do not make everyone laugh.
F．Some of the days people celebrate, however, are less serious.

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