Write a multi-choice question for the following article: Article: Perhaps the most extraordinary building put up in the nineteenth century was the Crystal Palace which was built in Hyde Park for the Great Exhibition of 1851. The Crystal Palace was different from all the other buildings in the world, for it was made of iron and glass. It was one of the biggest buildings of all the time and a lot of people from many countries came to see it. Plenty of goods were sent to the exhibition from all parts of the world. There was also a great deal of machinery on show. Though in those days, traveling was not as easy as it is today, steamboats carried thousands of visitors across the Channel from Europe. On arriving in England, they were taken to the Crystal Palace by train. There were six million visitors in all, and the money from the exhibition was used to build museums and colleges. Later the Crystal Palace was moved to the South London. It remained one of the most famous buildings in the world until it was burnt down in 1936.
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Question: The Crystal Palace was famous to all because _ .Options:A it is the biggest building in the worldB so many visitors had been thereC it was made of iron and glassD it was burnt down at lastAnswer:C