题目内容：
During the Olympic Games，people from all over the world come together in peace and friendship．The first Olympic Games that we have 2l of were in Greece in 776 B．C．The games lasted one day．The only 22 in the first thirteen Olympic Games was a race．Men ran the length of the stadium．In l 896 the games were 23 again in Athens，Greece．The Greeks 24 a new stadium for the competition．311 25 from thirteen countries 26 in many events．The 27 became national heroes．After l896，the games were held every four years during the summer in different cities around the 28 ．In l908，in London，England，the first gold 29 were given to winning athletes．The Olympic Winter Games 30 in l924 in Chamonix，France．Athletes competed in 31 events such as skiing，ice skating and ice hockey．Today the Winter Games take place 32 four years．Until recently，Olympic competitors could not be 33 athletes．All of the athletes in the Olympic Games were amateurs．Today，34 ，many of the Olympic athletes are professionals who play their sports 35 money during the year．Some people disagree with this idea． 根据资料回答问题。
请在第_____处填上正确答案。 A．books
B．history
C．records
D．publications
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