Autumn Has Been Figure-Skating Since She Was 5 Years Old

Multiple Choice

Autumn has been figure-skating since she was 5 years old.She has never placed higher than third in any of the competitions she has been in,but she is still convinced that she will be able to become a professional figure skater in a few years.Her coach and her parents have tried to tell her that not many people make it as professional skaters,but Autumn is convinced that she can beat the odds.What is Autumn doing in this case

A)  showing the confirmation bias 
B)  displaying evidence of mental set 
C)  showing belief perseverance 
D)  ignoring base rates