Q. Change the voice: The teacher punished the boys who had not done their homework.

• A. The boys who had not done their homework had been punished by their teacher.
• B. The boys were punished by their teacher who had not done their homework.
• C. The boys who had not done their homework were punished by the teacher.
• D. The boys who had not done their homework were being punished by the teacher.

Correct Answer: C