The correct option is (d) Creutzfeldt jacob disease.
Explanation:
Bovine Spongiform Encephalopathy (BSE) is a fatal brain disease known to exists in beef and other dairy cattle in UK, also known as mad cow disease. It is believed to be caused by prions. Creutzfeldt-Jacob Disease (CJD) is a slow degenerative disease among human affecting central nervous system with dysfunction and degeneration of the brain. Some scientists have suggested that a few people in Britain might have contracted CJD by eating BSE-infected beef.