What Bit of Evidence Suggests That the Ability to Imitate

What bit of evidence suggests that the ability to imitate the behaviour of another is instinctual?

A) Newborn infants remember the flavour of garlic from prenatal exposure through their mother's digestion and don't avoid it.
B) Newborn infants prefer to listen to a song that, prenatally, always came before maternal relaxation.
C) Newborns will copy a simple facial expression of an adult in their visual field.
D) Newborns will suck longer and harder to hear their mother's voice reading a story that they were exposed to prenatally.