Which Statement Best Summarizes the Findings of Gibson's Research on the Ability

Which statement best summarizes the findings of Gibson's research on the ability to differentiate letters and children's reading ability?

A) Most children can easily learn to read by about 3 years of age.
B) Most children show readiness to read by age 4.
C) Starting reading instruction at age 6 coincides with the time when most children show readiness to read.
D) Most children are not ready to learn to read until about age 7.