Barry, who has a really bad cold, coughs into his bare hand. he uses the same hand to grab the pole in the subway car to steady himself as the car goes around a tight corner. several minutes later, donny, who is perfectly healthy, grabs the same pole as barry. later that morning, donny itches his eye with the hand that grabbed the pole. a day or two later, donny has a really bad cold. if donny got his cold from barry, then you would say that the pathogen was transmitted by
a) indirect contact. b) autoinoculation. c) direct contact. d) opportunistic infection.