Dennis Is Driving a Car with His Family Onboard

Dennis is driving a car with his family onboard. His children are sitting on the backseat. They have a tablet and want to watch a video on the Internet.
What can Dennis do that will allow the children to watch a video on the Internet while in the car?

A) Tether his phone to the tablet.
B) Enable wireless sharing.
C) Set the tablet to airplane mode.
D) Enable a hotspot on his smartphone.