Assertion (A): The main feature of the agrarian structure during Post-Gupta period was the development of feudalism. Reason (R): Land owner middle class and a dependent peasant classes came into existence during this period. Select the correct answer using the codes given below: Codes:

• (a)Both (A) & (R) are true and (R) is the correct explanation of (A).
• (b)Both (A) & (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.