The Following Are Different Market Structures

The following are different market structures:
1. Monopoly
2. Perfect Competitions
3. Monopolistic Competition
4. Undifferentiated Oligopoly
5. Differentiated Oligopoly
-Refer to the above information to answer this question.What is the name of the market in which there are a few large sellers and the product is differentiated?

A) 1.
B) 2.
C) 3.
D) 4.
E) 5.