Kallu,a 22 year old male had an outing with his friends and developed fever of 38.5 degree C,diarrhoea and vomiting following eating chicken salad.24 hours back.Two of his friends developed the same symptoms.The diagnosis is

• A. Salmonella enteritis poisoning
• B. Bacillus cereus
• C. Staphylococcus aureus
• D. Vibrio cholera