Final answer:
When exercising brevity in technical writing, a writer should edit for the main idea and content.
Step-by-step explanation:
When exercising brevity in technical writing, a writer will be sure to do Option B. Edit for the main idea and content. In order to be concise, the writer should eliminate wasted words and filler, focus on concrete nouns and active voice, and use action verbs. The goal is to eliminate unnecessary information and keep the writing clear and precise.