Given the numerous infant classes and exercise dvds available, marley's parents are confused about how to approach their newborn daughter's physical development. which statement best summarizes infant motor development?
a. the order in which infants acquire motor skills does not really matter - most will learn the essential gross and fine motor skills by the time they start school.
b. with proper support and training, infants can skip many of the simplest stages of motor development.
c. parents place far too much emphasis on infant skill development, rather than allowing infants to develop their skills in any order or at any age.
d. although there is variability in the ages at which infants acquire various skills, the order in which skills are acquired is fairly consistent.