Which of the Following Is an Example of Deep Acting

Which of the following is an example of deep acting?

A) Sasha ignores a colleague's question because she knows he has a personal grudge against her.
B) Liza smiles at her manager even though last week she was passed off for a promotion.
C) Javier is tired of working long hours and calls in sick on Monday to skip work.
D) Andy conceals her emotions and politely talks to a customer even though he is annoying her.
E) Dave tries to get along with a co-worker because they will soon be working together on a project.