Isolates from CSF that are gram-negative coccobacilli, grow on chocolate agar in CO₂ but not blood agar, require factor V but not X, and are nonhemolytic on rabbit or horse blood may be identified as:
A) Haemophilus parainfluenzae.
B) H. influenzae.
C) H. aphrophilus.
D) H. ducreyi.
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