Explanation:

Pampa, Ponna and Ranna are called the "three gems" of Kannada literature.
Pampa was considered as one of the greatest Kannada writers. He became famous for Adipurana (It is the life history of the first Jain thirtankara Rishabhadeva). His other classic Vikramarjuna Vijaya or Pampa Bharata, is the modified version of the Hindu epic the Mahabharata.
Ponna was patronised by King Krishna III and known for his description of the life of the 16th Jain tirthankara Shantinatha entitled Santipurana.
Ranna was court poet of Western Chalukya King Tailapa II. He was mainly known for Ajitha purana and Saahasabhima Vijaya (also known as Gadaayuddha.
Hence, option (c) is correct.