With reference to farm planning and optimum resource use, consider the following
1. Monopolistic competition
2. Oligopoly
3. Perfect competition
4. Monopoly
What is the correct arrangement of these markets as per the number of sellers in ascending order

A. 4, 2, 1, 3

B. 3, 1, 2, 4

C. All of these

D. None of these

Answer: Option A