You Are a Nurse on a Post-Surgical Ward

You are a nurse on a post-surgical ward. One of your patients is an elderly woman who has just had her gallbaldder removed. When you go into her room to check on her, you find that she has significant diarrhea, as well as fever and abdominal pain. You suspect that she has Clostridium difficile infection (CDI) , and send a sample of her feces down to the hospital lab for analysis. The test result indicates that your patient does indeed have CDI. You make your patient comfortable and answer her questions about her illness.
-You tell your patient that her CDI is caused by a bacterium belonging to the genus Clostridium. Which of the following is True of all Clostridia?

A) They are Gram-positive, rod-shaped, endospore-forming obligate anaerobes.
B) They are encapsulated, flagellated, toxin-producing aerobes.
C) They are Gram-negative, rod-shaped, endospore-forming obligate aerobes.
D) They are flagellated and always cause significant inflammation.
E) Clostridial infections only occur if a state of dysbiosis exists in the host.