The Modern Age of Psychology Was "Born" When

The modern age of psychology was "born" when

A) Sigmund Freud first uttered the phrase, "Tell me about your dreams."
B) B. F. Skinner used shaping to teach birds to play ping pong.
C) Wilhelm Wundt established the first psychology research laboratory at the University of Leipzig.
D) Ivan Pavlov conditioned dogs to salivate at the tone of a bell.