Which of the Following Is an Example of Rationalization

Which of the following is an example of rationalization?

A) Phil fails to recognize his attraction to his son's date.
B) Bernard asks a professor to raise his grade; when the professor refuses, Bernard throws a temper tantrum.
C) Paul redirects anger from his boss to his dog.
D) Hua explains that he ate an entire chocolate cake so that it wouldn't spoil the summer heat