Alex Has Been Pigging Out and Doesn't Feel Particularly Fit

Multiple Choice

Alex has been pigging out and doesn't feel particularly fit. He now has doubts about qualifying in rowing at the upcoming nationals. Just before the event he tells his mate that he hasn't been feeling focussed recently. Alex's comments are a case of:

A) self-fulfilling prophecy.
B) belief in a just world.
C) self-other bias.
D) self-handicapping.