Answer:The correct answer is D. Eastern Hemisphere.
Step-by-step explanation:
Southeast Asia is a subregion of Asia, consisting of the countries that are geographically south of China, east of India, west of New Guinea, and north of Australia. It includes the mainland region of Indochina (Vietnam, Laos, Cambodia, Thailand, Myanmar), the Malay Archipelago (Indonesia, Brunei, Malaysia, Philippines), and other neighboring islands and peninsulas. All of these countries and territories are located in the Eastern Hemisphere.