Which Would Best Fit with the Theory That Differential Treatment

Which would best fit with the theory that differential treatment by parents negatively influences math skills in a child through the creation of self-fulfilling prophecy?

A) Math-talented parents tend to encourage their children to do well in math.
B) Math-untalented parents tend to discourage their children from doing well in math.
C) Parents attribute their daughter's math success to luck and not ability so the daughter becomes convinced that she is not good at math but rather gets lucky on math tests sometimes.
D) Son's math performance is not good (and his parents tell him so) , but he decides to take more math to challenge himself.