Which is the most balanced way to create emphasis through line?

Correct answer: Strong line in main part and lighter lines elsewhere

The correct answer is A. Emphasis means guiding the viewer’s attention toward an important subject or area. A useful method is to give the main part a somewhat darker, thicker, or more confident line while keeping supporting areas lighter and quieter. The difference must be controlled: too little difference fails to attract attention, while too much difference everywhere can destroy unity. A is balanced because it creates a focal point without making every part compete. B is wrong because extremely thick lines everywhere remove hierarchy and may make the picture heavy. C is wrong because strengthening only the background can pull attention away from the subject. D is wrong because an unclear main part cannot function as a clear focus. Memory cue: emphasis needs contrast, but balance controls the contrast.