Monopoly is a firm which enjoys the full market power due to only entity present in the market
Monopolistic competition somehow have market power due to the setting of the price according to the market
In oligopoly also due to a few firms enjoys market power(for example by forming cartels)
But in perfect competition, there is no market power due to homogeneity in the products. Price is decided by the supply and demand
So the answer is only Perfect competition which does not enjoy market power that is option C
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