question: Q:A 24-year-old college student consumed a container of canned vegetables for dinner. Fourteen hours later, he presents to the E.R. complaining of difficulty swallowing and double-vision. The bacterium leading to these symptoms is:? 
  {'A': 'An obligate aerobe', 'B': 'Gram-negative', 'C': 'Rod-shaped', 'D': 'Non-spore forming', 'E': 'Cocci-shaped'},