Concept:The correct expression is a fixed collocation: “heave a sigh of relief.”Explanation:The sentence requires the verb that naturally pairs with “a sigh of relief.”“Heaved” means produced or let out (a sigh) with effort or emotion.The phrase “heaved a sigh of relief” is the standard idiomatic expression in English.Options such as “raised,” “uttered,” and “breathed” are not used with “a sigh of relief” in this fixed form.Answer:D. heaved