The correct option is A It started off as a kingdom established by only Harihara in 1336 C.E.
The Vijayanagara kingdom began as a kingdom established by two brothers - Harihara and Bukka - in 1336 C.E. It was in a constant tussle with the Deccan Sultanates and the religious-based kingdoms of Kondavidu and Orissa. After a lot of efforts, the combined forces of the five Deccan Sultanates defeated the Vijayanagar kingdom in 1565 C.E.