A．Coins, stamps and sports.
B．Stamps, sports and postcards.
C．Coins, stamps and postcards.
D．Coins, sports and postcards.

A.Coins,
B.
B．Stamps,
C.
C．Coins,
D.
D．Coins,

【参考答案】

C
解析：根据文章最后一部分中的Postcard-collecting is third only to coi......

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