Match List-I with List-II and select the correct answer using the code given below the lists: List-I (City) List-II (River) A. Bangkok 1. Irrawaddy B. Phnom-penh 2. Mekong C. Hanoi 3. Menam (Chao Phraya) D. Yangon 4. Red River

The correct option is A because of the following geographical associations between major Southeast Asian cities and their respective rivers: A. Bangkok is located on the banks of the Chao Phraya River, historically referred to as the Menam. This matches A with 3. B. Phnom Penh, the capital of Cambodia, is situated at the confluence of the Mekong, Tonle Sap, and Bassac rivers. This matches B with 2. C. Hanoi, the capital of Vietnam, is located in the delta of the Red River. This matches C with 4. D. Yangon, the largest city in Myanmar, is situated near the Yangon River, which is a distributary of the Irrawaddy River system. This matches D with 1. Therefore, the sequence 3, 2, 4, 1 is the correct match.