Answer:
D. Organizing the message around one clear main idea
Step-by-step explanation:
Clarity means clearness and understanding. Clean water running down a mountain has clarity. So does a lovely singing voice: it's clear and pure. If you bring clarity to a situation, you help people see what really happened by clearing up misunderstandings or giving explanations. By focusing on one topic in writting, gives the reader clarity and definition to validate the narration.