The correct option is D Its founder, Allan Octavian Hume, was a retired British professor in India.
The founder of Indian National Congress Allan Octavian Hume, was not a retired British professor in India. Allan Octavian Hume, (4 June 1829 – 31 July 1912) was a British member of the Imperial Civil Service (later the Indian Civil Service), a political reformer, ornithologist and botanist who worked in British India.