In the South Asian country of Sri Lanka, tea is farmed as a monoculture. Which of the following best explains why tea plantations are common in Sri Lanka and tea exports are important to the country's economy? A. Sri Lanka's unique climate and terrain make it one of the only countries where tea plants thrive.

B. Tea plantations are a traditional form of subsistence agriculture practiced by Sri Lanka's indigenous groups.

C. Sri Lankans drink more tea per capita than any other nationality.

D. The early hearth of tea plant domestication is located in Sri Lanka.

E. Tea plantations were established in Sri Lanka by a former European colonial power.