10. Automatic responses to particular forms of stimulation are_________，which are examined by physicians at routine healthy baby check-up appointment, because they can be__________.
(A) affordances； be used to estimate the infant's future athletic abilities
(B) affordances； reliably inform physicians about nervous system problems
(C) reflex skills； be used to cstimate the infant's future athletic abilities
(D) reflex skills； reliably inform physicians about nervous system problems