When He Was 6 Years Old,Ron Could Recite the Pledge

Multiple Choice

When he was 6 years old,Ron could recite the Pledge of Allegiance from memory.When Ron was 9 years old,he began to understand what the terms pledge and republic meant.Finally,at age 12,Ron realized the political importance of this pledge.This illustrates the concept of

A) cognitive development.
B) kinesthetic development.
C) biological development.
D) socioemotional development.