Step 1: Understanding the Concept:
Shifting cultivation (slash-and-burn) is an ancient agricultural practice known by various local names across the tropical belt of the world.
Step 2: Detailed Explanation:
1. Milpa (A): This is the name used in Central America and Mexico (2).
2. Jhumming (B): This is the local name prevalent in Northeast India (1).
3. Ladang (C): This name is used in the Southeast Asian islands of Indonesia and Malaysia (4).
4. Ray (D): This is the name used in Vietnam (3).
Step 3: Final Answer:
Matching these pairs yields: A-2, B-1, C-4, D-3. This corresponds to Option (A).