Which Scenario Best Supports the Theory That Emotional Expressions Are

Which scenario best supports the theory that emotional expressions are by-products of innate motor programs?

A) Babies show the same emotional expressions that are displayed within their culture.
B) Babies who are blind from birth smile in response to playing and tickling.
C) Babies respond by mimicking emotional expressions in their caregivers.
D) Babies respond well to operant conditioning and can be readily taught to laugh or frown.