Caries May Be Considered a Two Stage Process

Caries may be considered a two stage process. Which two bacteria are implicated in this process?

A) Lactobacillus initiates a lesion, while Streptococcus mutans progresses a lesion.
B) Streptococcus mutans initiates a lesion, while Actinomyces progresses a lesion.
C) Lactobacillus initiates a lesion, while Actinomyces progresses a lesion.
D) Streptococcus mutans initiates a lesion, while Lactobacillus progresses a lesion.