If It Is Common Knowledge That a Given National Park

Multiple Choice

If it is common knowledge that a given national park has become overused, why might raising the entrance fee to the park NOT solve the problem of overcrowding?

A) no-one would go to the park if the fees were increased
B) additional revenue from the higher fee might not be used for the betterment of the park
C) the lower usage might more than offset the higher entrance fees, resulting in a loss of revenue
D) after they have spent their time and money in travelling to the park, people might not be discouraged from visiting the park by a higher entrance fee