单项选择题

Taking pictures is fun, and taking good ones is not difficult if you follow a few simple rules.
Before you snap(快拍)a picture, thinking about it. Be sure that you are close enough to your subject. A pretty face against a clear background (背景), for example, makes a good picture. But a distant figure, lost among trees and clouds lacks interest. In a landscape(风景) scene, try to keep at least two thirds of the picture below the line where the ground meets the sky, for a sky-scene, keep at least two thirds of the picture above that line.
Study pictures in newspapers and books. Try to see why some are better than others. Use what you learn to improve your own pictures. This passage gives us some______.

A.reasons for taking good pictures
B.ideas of some funny hobbies
C.advice on taking good pictures
D.difference of the pictures taken outdoors and indoors