Answer:
A) pure competition
Step-by-step explanation:
A pure competition is characterised by :
1. Many buyers and sellers of homogenous goods
2. Firms are price takers. They do not set the price for their products.
3. There are no barriers to entry or exit of firms
The sellers of seafood products exhibit the first two characteristics, hence, they are a pure competition
A monpolistic firm is characterised by
1. Many buyers and sellers of differentiated goods.
2. Firms set the price for their goods
An oligopoly is characterised by:
1. Few large firms in the industry
I hope my answer helps you