Which of the Following Examples Would Be Considered Forms of Procrastination

Which of the following examples would be considered forms of procrastination?

A) Josh has come to believe that average or poor performance is acceptable.
B) Gina tends to take her books everywhere she goes but never opens them.
C) Justin says that he has to clean his room before getting to work on his term paper.
D) All of the above are forms of procrastination.