A. is the answer to your question
Answer:
The Dodge tool and the Burn tool lighten or darken areas of the image. These tools are based on a traditional darkroom technique for regulating exposure on specific areas of a print. Photographers hold back light to lighten an area on the print (dodging) or increase the exposure to darken areas on a print (burning).
Explanation:
I think it is a cyclic form.<span> sorry if it's wrong. hope this helped :)</span>