According to the Authors,why Are People Often Wrong in Asserting

According to the authors,why are people often wrong in asserting that social psychology only reflects common sense?

A) People's inferences about psychological phenomena are rarely based in fact.
B) Common sense is never correct.
C) People are largely ignorant about what exactly social psychologists study.
D) Most grandmothers' advice is based on common experience, not scientific evidence.
E) So-called common sense findings often make more sense in retrospect than in advance.