Attempts at scientifically validating Freudian concepts indicate that

A) not one of Freud's ideas has scientific support.
B) almost all of Freud's ideas have scientific support.
C) there is scientific support for some of Freud's ideas but not for others.
D) Freudian ideas cannot be investigated scientifically.

Unlearned stereotypical responses to certain types of stimulation

A) are not present in full-term infants.
B) is a good definition of "reflex."
C) require higher brain functions.
D) are only possible several days after birth.