Answer:
Option C, Carbohydrates
Explanation:
One of the very common cause of cavities in tooth is excess intake of raw sugar or processed sugar in some or the other form.
The acid release by the bacteria due to the presence of sugar items causes erosion of tooth enamel.
Sugar is a form of simple carbohydrates which if not cleaned properly stays with in the teeth of the person and hence leads to tooth decay.
Option C is correct
