Instead of Crawling on Her Hands and Knees, 8-Month-Old Kenna

Multiple Choice

Instead of crawling on her hands and knees, 8-month-old Kenna scoots on her bottom using her hands to propel her.This is:

A) a perfectly acceptable means of infant locomotion.
B) likely to be correlated with poor reading ability later.
C) a prerequisite to hands-and-knees crawling.
D) a reason to enlist the services of an infant physical therapist.