Q:

He said, “Ravi, why are you sounding so depressed today?” 

• 1
  He told Ravi why he sounded so depressed today.
• 2
  He asked Ravi that why was he sounding so depressed that day.
• 3
  He asked Ravi why did he sound so depressed that day.
• 4
  He asked Ravi why he was sounding so depressed that day.