Write the next sentence in the following story.

How to increase the amount of natural light in your home
Maximize the light from existing windows.
Pull curtains back and shades up during the day. Do not block window light with furniture either in front of the window or close to the sides of the window (especially avoid thick, dark furniture next to a window).

Select from:
(a). Use white or light colors throughout the room to reflect natural light that comes in. White painted trim around the window helps too.
(b). Artificial light from the outdoors may create shadows in the room, so carefully line up the windows with small lamps to generate more natural light. Use a diode lamps to generate additional positive light.
(c). Block windows with height-blocking shades so that you can project the light less than 50 feet (100 meters) from the exterior of the house. Add blackout curtains and window shades to front windows.
(d). Reduce your glare by temporarily shutting your blinds or shades to prevent glare. File off or disengage your blinds and turn off all lights in your house.. The answer should be
(a).