What Characteristic of Borrelia Burgdorferi Makes It an Unusual Bacterium

What characteristic of Borrelia burgdorferi makes it an unusual bacterium?

A) It causes dermatological, cardiovascular, and neurological abnormalities, as well as arthritis.
B) It utilizes manganese instead of iron in its proteins and enzymes.
C) It is a spirochete that is larger than Treponema pallidum.
D) Infected ticks must remain on a host for 48 hours in order to spread Lyme disease.
E) Transovarian transmission of the pathogen is rare.