If the underlined phrase is <em>having been warned by her mother, </em>then this is a nonessential perfect participial phrase.
Nonessential phrases are separated from the rest of the sentence by commas, and since this is a perfect participle, this is the only correct option.
Answer:
Chauffeur
Explanation:
Chauffeur is a person who is responsible to drive a hired car. Car rental service providers also offer chauffeur services as well as self drive options. It is safer to hire a car with chauffeur instead of self drive when the route is not known for vacation.
