Consider the following statements and select the correct answer using the code given below: 1. Dibru-Saikhowa Biosphere Reserve lies in the tropical monsoon climate. 2. It is situated on the south bank of the Brahmaputa River in E Assam. 3. It is frequently inundated in summer season. 4. It has several primitive species of vascular plants in the reserve and is known for luxurious tropical evergreen forests.

• A. 1, 2 and 3 are correct    
• B. 1, 2 and 4 are correct
• C. 1, 3 and 4 are correct    
• D. 1, 2, 3 and 4 are correct