Because Dr. Smith falls on the "nurture" side of the nature-nurture controversy, she is most likely to believe that

a. if infants are given normal opportunities to move about, their motor skills will naturally unfold in a universal sequence.
b. teachers' expectations for their students' success will have little effect on how they actually achieve.
c. while a child's experiences in school will have an impact on his or her intellectual development, what the child is "born with" matters more.
d. a mother's care can greatly impact the development of a child.

d