The Nurse Recognizes Piaget's Concrete Operational Thinking When A

The nurse recognizes Piaget's concrete operational thinking when a:

A) 2-year-old says, "It's nighttime" when his room is darkened.
B) 4-year-old refers to the hospital as "my house. "
C) 5-year-old coloring a picture of a puppy says, "This is my puppy. "
D) 7-year-old says, "I am sick because I have germs in my chest. "