Which of the following is a correct use of a comma? a) After getting off the plane, Tim bought a sandwich at the airport Starbucks. b) After getting off the plane Tim bought a sandwich at the airport, Starbucks. c) After getting off the plane Tim bought a sandwich, at the airport Starbucks. d) Tim bought a sandwich, at the airport Starbucks after getting off the plane. e) Tim bought a sandwich at the airport Starbucks, after getting off the plane.