Which of the Following Best Describes the Causative Agent of Necrotizing

Which of the following best describes the causative agent of necrotizing fasciitis?

A) β-hemolytic, Gram-negative, spore-forming, obligate anaerobe
B) β-hemolytic, Gram-positive, chain-forming, aerotolerant anaerobe
C) Encapsulated, Gram-negative, chain-forming, facultative aerobe
D) Encapsulated, Gram-negative, spore-forming, facultative aerobe
E) Encapsulated, acid-fast, chain-forming, facultative anaerobe