In writing, you should mix long and short sentences and keep the average under twenty words.

• A. Always use long sentences
• B. Keep sentences short with a strict cap of ten words
• C. Mix long and short and keep average under twenty words
• D. Use only simple sentences

Answer: (C)

Balancing sentence length and aiming for an average around twenty words per sentence sharpens readability and keeps the rhythm natural. Mixing long and short sentences creates a cadence that holds a reader’s attention: short sentences give punch and clarity to key points, while longer ones let you weave together related ideas and details. Keeping the overall average near twenty words per sentence provides enough variety to avoid choppiness while preventing sentences from sprawling into confusion. This approach is preferable because it preserves flow and emphasis without sacrificing nuance. Relying on only long sentences becomes monotonous, enforcing a dull rhythm; a strict cap of ten words makes prose feel stilted and unnatural; using only simple sentences strips away complexity and coherence where you need it.