How does paragraph 2 develop the idea that Cinque Terre deserved to become a national park?

A.
It establishes that the area is known for its fresh, local produce and seafood.
B.
It suggests that it is a place where newlyweds go to spend their honeymoon.
C.
It implies that the villages are being destroyed by all the tourists who visit the area.
D.
It shows the beauty and the vitality of these yet unspoiled seaside communities.