Passengers in Delta One Suites must have their ______and ______ for taxi, takeoff, and landing and only their_____ while inflight when the seatbelt sign is illuminated.
a. Seatbelts, personal electronic devices, off, personal electronic devices, on
b. Seatbelts, headphones, on, mobile phones, off
c. Hats, sunglasses, off, laptops, on
d. Magazines, laptops, on, headphones, off