Multi-choice problem: Continue writing the next sentence in this paragraph:

How to get rid of flies in the house
Use light traps to catch larger flies.
Uv light traps are ideal for catching houseflies and other relatively large species of flies and pest insects. Flies are lured in by the light, and then trapped on a glue board or killed by an electric shock.

Select from the following.
A). To attract the flies to the trap, place one or more or more teaspoons of chistop-based aquarium oil, dark vinegar, diluted corn syrup, phosphate, or another light spray or solution around the trap. Spray or pour the oil or vinegar around the edges.
B). Trap small and medium sized flies in the air by placing the traps along the walls, ceiling, or floor around the home. Try to attract larger flies so they do not build up.
C). Two proof traps are available online that have timers that kill all of the flies on them. You can use them as long as they are not burnt to death by a flash light.
D). Place your light traps approximately 4-6 feet (1.2-1.8 meters) above the floor. Position light traps so that they are not be visible from outside your house, so that the light does not lure new flies into your home.
D).