Answer:
The answer is A.
Step-by-step explanation:
Barriers to entry deter firms from entering the market freely. Barriers to entry encourage imperfect market like monopoly or oligopoly. In imperfect market, that are characterised by barriers to entry, there will be little or no competition, price are determined by the suppplier. Also here, price will be at the discretion of the supplier.
But if all barriers are removed, there will be many firms entering the market, this will encourage more competition and will eventually drive price down.