Final answer:
Complementary colors are found directly opposite one another on a color wheel. Black and white, as complementary colors, refer to something you want in writing.
Step-by-step explanation:
Complementary colors are found directly opposite one another on a color wheel. Examples of complementary colors include purple and yellow, green and red, and orange and blue. When paired together in writing, black and white refer to something you want, making option A) Black and white the correct answer.