Concept:Prepositions show the relationship between a verb and a place. “Into” indicates movement from outside to inside.Rule / Clue:The action “jumped” leads to being enclosed by the well. This shows a change of location from the outside to the inside.Explanation:The correct preposition is “into” because it expresses entering something. “By” shows nearness or method, “with” means together, and “of” shows possession or origin. None of these fit the movement described.The completed sentence is: “Heera jumped into the well.”Answer:B. into (Option 2)