Assertion (A): The rivers of the West Coast of India do not form the delta.
Reason (R): They flow through short courses on relatively harder rocks.
Choose the correct option using the codes given below:

1. A.Both (A) and (R) are correct and (R) is the correct explanation of (A)
2. B.Both (A) and (R) are correct but, (R) is the not correct explanation of (A)
3. C.(A) is true but (R) is not false
4. D.(A) is false but (R) is correct