Given below are two statements: One is labelled as Assertion (A) and the other is labelled as Reason (R) : Assertion (A): Von thunen argued that the sectoral fields are the most irrational reducing the time spent by the farmers in travelling around the farm. Reason (R): Sectoral fields are not common but they are used in varying farming systems and environments.In light of the above Statements. choose the most appropriate answer from the options given below :

• A. Both (A) and (R) are correct and (R) is the correct explanation of (A)
• B. Both (A) and (R) are correct but (R) is NOT the correct explanation of (A)
• C. (A) is correct but (R) is not correct क्षेत्रपाल
• D. (A) is not correct but (R) is correct