Why Are Those Who Break Mores More Severely Sanctioned Than

Why are those who break mores more severely sanctioned than those who don't follow folkways?

A) Because informal norms may be violated without serious consequences.
B) Because breaking a more is universally offensive.
C) Because mores are based on cultural values and are therefore considered to be crucial for the well-being of the group.
D) Because all mores are considered taboos.