“Who's the conductor of this bus?" he said, and paused for a reply.

• A. He said who the conductor of that bus was and paused for a reply.
• B. He said wine was the conductor of that bus and paused for a reply.
• C. He asked whether who the conductor of that bus was and paused for a reply
• D. He asked who the conductor of that bus was and paused for a reply.