To answer this question, we need to have knowledge of the Hindu epic Ramayana.
Option A) Vaali - This option is incorrect because Vaali was a Vanara warrior and the king of Kishkindha, not the one who set Lanka on fire.
Option B) Sugreeva - This option is incorrect because Sugreeva was also a Vanara warrior and the king of Kishkindha, but he did not set Lanka on fire.
Option C) Hanuman - This option is correct because Hanuman, a Vanara warrior and devotee of Lord Rama, set Lanka on fire. As a part of Lord Rama's army, Hanuman flew to Lanka to rescue Sita, Lord Rama's wife, who had been kidnapped by Ravana, the king of Lanka. Hanuman set fire to Lanka to create chaos and distract the demons, allowing Lord Rama's army to succeed in their mission.
Option D) Jaambavan - This option is incorrect because Jaambavan, also a Vanara warrior, was not the one who set Lanka on fire.
The correct answer is option C) Hanuman. Hanuman set Lanka on fire as part of his mission to rescue Sita.