During Report,a Nurse Complains About a 3-Year-Old Boy,saying "He Sure

During report,a nurse complains about a 3-year-old boy,saying "He sure knows when to pour on the tears.There's nothing wrong until he sees you; then the tears start,but they stop as soon as you leave or his mother comes.He's just spoiled because they have a nanny at home who waits on him hand and foot." This is an example of

A) lack of understanding of child development.
B) frustration that the mother is not present.
C) assessment of the child's behavior.
D) stereotyping because the child has a nanny.