Which of the Followings Statements Best Describes Folkways

Which of the followings statements best describes folkways?

A) They are norms that people consider very important because they maintain moral and ethical behavior.
B) They are rewards for good or appropriate behavior and/or penalties for bad or inappropriate behavior.
C) They are formally defined norms about what is permissible or illegal.
D) They are norms that involve everyday customs, practices, and interaction.
E) They are a system of shared symbols that enables people to communicate with one another.