阅读下面短文，从各题所给的A、B、C、D四个选项中选出能填入文章中相应空白处的最佳答案。

    The Eiffel Tower is the tallest tower in Paris. It is 324 metres 1. It took two years to build this wonderful 2 and it was finished in 1889. Now the tower is painted 3 seven years. Every year, almost 7,000,000 people 4 the tower. Some people take the lift and go 5 to the top of the tower to have a look at the city of 6 . But if you don't want to 7 for the lift, or if you want to do some 8 , you can walk up more than 1,000 steps to the top! Many interesting things have happened to the tower in the 9 . In 1948, an elephant walked up to the first floor. In 1983, two men went down the stairs 10 bicycles.