Which of the following best describes the experiences of the tourists in lines 5–9 ("Take Tonga . . . fruit trees”)?
a. They expect to see an impoverished landscape and are pleasantly surprised by the natural beauty.
b. They expect to see the beautiful fruit trees depicted on the stamps, but the trees do not exist.
c.They expect a safe journey to a waterfall, but they are instead taken to see dangerous bats.
d. They expect dramatic views of natural beauty, but their expectations are not met. They expect to be taken to a particular waterfall, but the tour guides refuse to take them there.