Consider the following statements and select the correct answer from code given below: Assertion(A): There is marked expansion in urban areas of towns and cities following rapid growth in their population. Reason (R): In rural areas agricultural land is shrinking due to development of infrastructural facilities.

• A. Both (A) and (R) are true and (R) is the correct explanation of (A)
• B. Both (A) and (R) are true, but (R) is not the correct explanation of (A)
• C. (A) is True, but (R) is false
• D. (A) is false but (R) is true.