Convert the following sentence in Passive Voice by choosing the appropriate answer from the given list. The soldiers promptly obeyed his command.

The command should be obeyed might now, soldiers. The command was promptly obeyed by the soldiers. Obey the command promptly soldiers! The command is promptly obeyed by the soldiers.

The command was promptly obeyed by the soldiers.

The correct answer is Option (2) - The command was promptly obeyed by the soldiers.