Mark,who Is 14 Years Old,spends a Lot of Time Thinking

Multiple Choice

Mark,who is 14 years old,spends a lot of time thinking about the world as it currently is and the world as it could be if everyone took a greater degree of personal responsibility for environmental and social conditions.According to Piaget,Mark is in the ________ stage of development.

A) sensorimotor
B) preoperational
C) concrete operational
D) formal operational