20. Which of the following can be inferred from the passage regarding the future of tourism?
(A)Increasing tourism revenue will inevitably lead to a decrease in resident satisfaction.
(B)Successful tourism will focus more on protecting local communities than on just growing visitor numbers.
(C)Limiting the number of tourists will decrease tourism revenue and therefore harm the local businesses seriously.
(D)Digital technology will gradually reduce the demand for physical tourism and decrease the pressure of overtourism.