Context: Figure: Kaeng Krachan National Park.
Kaeng Krachan National Park is a tropical rain forest ecosystem in western Thailand. It is Thailand's largest national park and has many animals, including elephants.
Which statement describes the Kaeng Krachan National Park ecosystem?
A. It has soil that is rich in nutrients.
B. It has year-round rain and warm temperatures.
C. It has only a few types of organisms.
From the given choices, pick the correct answer and respond by indicating the letter of the correct option.

B