Question

drone racing
lots of people fly drones just for fun, too. some of them belong to drone - racing leagues. they play against each other on obstacle courses that are set up in fields, warehouses, and even football stadiums. racers wear goggles, or large glasses, that show them exactly the same thing as what the drone camera sees.
a drone racer wears goggles and uses a remote control transmitter to command his drone.
why do drone racers use special goggles?
a) to see drones that are far away
b) to have a wider view of large spaces
c) to see what the drone camera sees
d) to protect their eyes from sweat

Explanation:

The text states that racers wear goggles that show them exactly what the drone camera sees.

Answer:

C. to see what the drone camera sees