Concept:A perfect participle phrase shows an action completed before another action, often giving a reason.Explanation:The sentence means: “Because I have lived in this town for many years, I can tell you a lot about its people.”The phrase “having lived” expresses this completed action and its effect.It correctly connects the past experience to the present ability to describe the people.So the completed sentence is: “Having lived in this town for many years, I can tell you a lot about its people.”Answer:C. having lived