Arrange the following features formed by rivers in its course starting from upstream:1. Meanders 2. Falls3. Delta 4. Oxbow LakeSelect the correct answer using the code given below:

• A.  2 - 1 - 3 - 4     
• B.  2 - 1 - 4 - 3
• C.  1 - 2 - 3 - 4                        
• D.  1 - 4 - 2 - 3