He is leaving the country for a good. A. for better prospects B. for a good cause C. forever D. for others good

The correct answer is A. He is leaving the country for better prospects.

The other options are:

• B. for a good cause: This could mean that he is leaving the country to help others or to fight for a cause that he believes in. However, the prompt does not provide any evidence to support this interpretation.
• C. forever: This could mean that he is leaving the country permanently. However, the prompt does not provide any evidence to support this interpretation.
• D. for others good: This could mean that he is leaving the country to make a sacrifice for others. However, the prompt does not provide any evidence to support this interpretation.

Therefore, the most likely interpretation of the prompt is that he is leaving the country for better prospects.