One Morning, John Decides to Have Oatmeal for Breakfast, and He

One morning, John decides to have oatmeal for breakfast, and he later performs very well on a math test that he takes that day. He doesn't think too much about this until a few weeks later when he does very well on an English test and recalls that he had oatmeal for breakfast before that test too. He concludes that eating oatmeal in the morning helps him perform better on exams. This example best demonstrates

A) the use of the representativeness heuristic
B) the process of inductive reasoning
C) the use of problem-solving schemas
D) the process of deductive reasoning