What is the difference between replying and replying with a summary in an email?

What is the difference between replying and replying with a summary in an email?

• A. A direct answer vs a structured summary that captures decisions and actions.
• B. A longer message and a shorter one with the same content.
• C. One uses bullets, the other uses paragraphs.
• D. Including the entire original email as attachment.

Answer: (A)