which phrase has the most negative connotation?\na collaborator\nan accomplice\na partner

Brief Explanations:

To determine the phrase with the most negative connotation, we analyze each term:

• "A collaborator" implies working together, often in a positive or neutral context (e.g., on a project).
• "A partner" also suggests a cooperative, typically positive relationship (e.g., business or personal).
• "An accomplice" specifically refers to someone who helps in a crime or wrongful act, carrying a strongly negative connotation.

Answer:

B. an accomplice