Answer:
Correct answer: Stage One.
Explanation
Psychologist Jean Piaget presented that humans encounter four steps of cognitive, or mental, evolution, beginning from the day they born to all the way into adulthood.
The first stage is when the child begins the cognitive development. It is called sensorimotor. During this stage, kids start to underestand and interact with the world using their senses and movements. This period can last two years.
