This is a test of commonsense with single/multi-choices. Complete the next sentence:

How to hang christmas lights around windows
Go for miniature sized lights to avoid overwhelming your windows.
Miniature lights will provide enough light to illuminate your windows without being too bright or too big. Miniature lights are often narrow and long in shape to provide a nice twinkle when they are turned on.

a. When you don't have your own mini lights, you can mix in a group of miniature lights in varying sizes. You can bend and twist small lights into the shape of little bundles or place them in the window frames to give the window a slight glow.. b. Try led lights for a bright, blueish color. Led lights will have a blueish tint, especially if you go for white lights.. c. Size up the lights before you plan to use them. If you have a lot of christmas lights in your home, it's best to start shopping at exactly the exact size you want them to be.. d. Try putting your lights in a frame that is over half way up the glass and hanging your lights from your window. Make sure the frame is not too short..
The answer is:
b.