A Difference Between the Great Thinkers of History and Today's

A difference between the great thinkers of history and today's psychologists is that:

A) modern psychologists want to describe, predict, understand, and modify behaviour.
B) modern psychologists rely heavily on empirical evidence.
C) modern psychologists wonder whether emotion controls us or is something we can control.
D) modern psychologists want to know how people take in information through their senses and use that information to solve problems.