Lexie cannot make up her mind on which shoes she should pick for her winter formal. She has spent over an hour with the shoe salesperson, Kris, going back and forth from sandals to pumps then to wedges. Even though Kris feels annoyed, she has kept her composure. Kris has remained responsive and available. Kris is compelled to be polite regardless of her true feelings. This is an example of ______.

A) emotional dissonance
B) negative affect
C) house rules
D) emotional contagion