Which of the following scenarios exemplifies a fixed mindset in the context of psychological constraints in learning?
A)Alan does not think he has academic abilities, so he abandons the idea of going to college.
B)Sven does not have good coordination skills, but he continues to learn how to play tennis.
C)Jennifer has always been bad at math, but still believes she can do well in math in college.
D)Madison has failed her chemistry test, so she has decided to work harder from now on.