Human Beings Undoubtedly Learn More During the Course of a Lifetime

Human beings undoubtedly learn more during the course of a lifetime than any other species on earth. The major result of this capacity to learn is that:

A) New instincts begin to emerge.
B) Human thought becomes less logical with each generation.
C) Humans can benefit from their experiences.
D) Humans are the only species whose behavior cannot be analyzed in terms of stimuli and responses.