A Classic Tale That Expresses an Aspect of Daoist Thought

A classic tale that expresses an aspect of Daoist thought is the story of the philosopher Zhuang Zhou, who awoke from a dream unsure of _______________

A) Whether everything was an illusion created as a sort of "matrix".
B) Whether he had dreamed he was a butterfly or whether he was a butterfly dreaming he was Zhuang Zhou.
C) Whether it was wise to contemplate on opposites and paradoxes.
D) Whether the symbols contained in a dream provided insight into the subconscious.