What is the term for cultural norms that regulate the appropriate expression of emotions

A)  polygraphs 
B)  display rules 
C)  emotional cues 
D)  cognitions

Display Rules

Socially learned guidelines that dictate how emotions should be expressed based on cultural norms, contexts, and relationships.

Cultural Norms

Shared expectations and rules that guide behavior of people within social groups, societies, or cultures.

Emotions

Complex psychological states that involve a subjective experience, physiological response, and behavioral or expressive response associated with a particular situation.