Botulism Is Caused by an Infection with Clostridium Botulinum

Botulism is caused by an infection with Clostridium botulinum.The bacteria release botulism toxin which prevents the release of acetylcholine at neuromuscular junctions.What advantage would the bacteria gain by secreting the toxin?

A) Avoid the immune system
B) Prevent the body from excreting the bacteria
C) Decrease removal of food from the gut
D) Increase respiration
E) Prevent other bacteria from growing in the gut