A Microbiologist Is Reading a Sputum Culture and Notices Tiny

A microbiologist is reading a sputum culture and notices tiny, translucent colonies growing closely around a b-hemolytic colony on sheep blood agar (SBA) .In fact, the colonies are growing in the area where the blood has been hemolyzed.What is the probable identity of the organism that is growing closely to the b-hemolytic organism, and why are they growing in the hemolyzed area?

A) Neisseria spp., because they need the factor X in this area
B) Haemophilus spp., because they need the factor V in this area
C) Acinetobacter spp., because they need the factors X and V
D) Alcaligenes spp., because they require antibiotics be added to the media