The correct option is E Lactobacillus acidophilus
Streptococcus mutans and Lactobacillus acidophilus are the main bacteria associated with dental decay.
These bacteria live in the mouth and digest food debris, turning them into acids. The bacteria, acid, food debris, and saliva combine to form plaque, which clings to the teeth. The acids in plaque dissolve the enamel surface of the teeth, creating holes in the teeth called cavities