Final answer:
The Malay Peninsula is the major peninsula of Southeast Asia, shared by Malaysia and Thailand.
Step-by-step explanation:
The correct answer is A. Malay. The Malay Peninsula is one of the major peninsulas of Southeast Asia. It is located in the southwestern part of the region and is shared by Malaysia and Thailand. It is surrounded by the Andaman Sea to the west and the South China Sea to the east.
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