Concept:The error involves the misuse of the comparative word "more" when no comparison is being made.Explanation:The sentence says the poets and philosophers were "more influenced" but does not compare them to anyone else.Without a second group or idea, the word "more" is incorrect.The intended meaning is simply that they were influenced by Indian philosophy.Therefore, "more" should be removed from part (c).The correct phrasing is: "were influenced by Indian philosophy".Answer:C