To answer this question, we need to refer to the Hindu epic, the Ramayana. In the Ramayana, the demon Lavanasura was killed by Shatrughana, who was the youngest brother of Lord Rama.
Let's go through each option to understand why it is correct or incorrect:
Option A) Lakshmana - This option is incorrect because although Lakshmana played a significant role in the Ramayana, he did not kill Lavanasura.
Option B) Rama - This option is incorrect because although Rama is the main protagonist of the Ramayana, he did not kill Lavanasura.
Option C) Bharata - This option is incorrect because Bharata, the brother of Rama, did not kill Lavanasura.
Option D) Shatrughana - This option is correct because Shatrughana, the youngest brother of Rama, is the one who killed Lavanasura.
The correct answer is Option D. Shatrughana is the one who killed Lavanasura.