Which Statement Best Reflects Evolutionary Theories of Emotion

Which statement best reflects evolutionary theories of emotion

A)  The experience of emotion depends on autonomic arousal and your cognitive interpretation of that arousal. 
B)  Emotions occur when the thalamus sends signals simultaneously to the cortex and to the autonomic nervous system. 
C)  Emotions developed because of their adaptive value. 
D)  Different patterns of autonomic activation lead to the experience of different emotions.