According to Jung, our repressed thoughts, undeveloped ideas, and forgotten experiences are contained in the ____________________.

A) persona
B) archetype
C) personal unconscious
D) collective unconscious

According to Jung, the personal unconscious is a reservoir of repressed thoughts, undeveloped ideas, and forgotten experiences unique to each individual. The collective unconscious, on the other hand, is a deeper level of the unconscious that contains universal archetypes and symbols shared by all humans. The persona is the social mask we present to the world, while archetypes are universal symbols and patterns that are present in the collective unconscious. Therefore, the best choice for the answer is C.