Answer:
The answer would be a. displacement
Explanation:
Shelia knows that she is not in the wrong (ruling out projection), and has no repressed wish or desire (ruling out reaction formation). She has lots of anger from her job and traffic. When she gets home, she displaces that anger onto her son, who she knows is not the cause of her anger, but who is an easier target than her boss or the hundreds of people in rush hour
