Answer:
The answer is B to design the structures.
Explanation: The master builder designs structures.
Do you have a few options? I've taken many art and art history classes, and I've simply been told they were called tertiary colors. Review your notes, and textbook.
If you have a few options I'll be glad to help you narrow it down further.
Yellow-orange, red-purple and blue-green are some examples of tertiary colors.<span />