The correct answer is: c) Thiruvalluvar.
Thiruvalluvar was a Tamil poet and philosopher who lived in the 1st century CE. He is best known for his work, the Tirukkural, which is a collection of 1330 couplets on a variety of topics, including ethics, morality, and social and political philosophy. The Tirukkural is considered one of the most important works of Tamil literature and has been translated into many languages.
Ilango Adigal was a Tamil poet who lived in the 3rd century CE. He is best known for his work, the Silappadhikaram, which is an epic poem about the love between Kovalan and Kannagi. The Silappadhikaram is considered one of the greatest works of Tamil literature.
Kamban was a Tamil poet who lived in the 12th century CE. He is best known for his work, the Ramayana Kandaramayanam, which is an epic poem about the life of Rama. The Ramayana Kandaramayanam is considered one of the greatest works of Tamil literature.
D) is incorrect because Kamban was a Tamil poet who lived in the 12th century CE.