Read the following context and choose the best option to answer the question.
Context: With one big gust whilst riding 60 mph you may not have any choice whether you were going to end up in the gravel or not . All told though I made it through without any falls . After the 3rd night camping I got to El Calafate and went to see the Glacier there . Well all I can say is that this Glacier was seriously impressive and well worth the entrance fee .
Question: What is the reason that a visit to a glacier costs an entrance fee ?
Options: 
A. The glacier is in a sort of park , it is an attraction .
B. Glaciers always cost money that is why they are made .
C. There is a sort of toll bridge that connects to the glacier and you pay a toll to go on it .
D. None of the above choices .


A