Concept:A mixed metaphor occurs when two or more metaphors are combined in one expression.Explanation:When two or more unrelated or contradictory metaphors are joined in a single phrase, they create a mixed metaphor.The images become illogical or incongruous because they do not naturally fit together.For example, saying someone "burns the midnight oil at both ends" mixes different metaphorical ideas.Therefore, the correct literary term for combining two or more metaphors is mixed metaphor.Answer:C. Mixed metaphor