Read the following quote and determine the best explanation of it from the answer choices below:
"The region which is accessible to sight should be equated with the prison cell, and the firelight there with the light of the sun. And if
you think of the upward journey and the sight of things up on the surface of the earth as the mind's ascent to the intelligible realm, you
won't be wrong."
A. This passage describes Heraclitus' theory of fire or change as the ultimate substance.
OB. This passage is an example of Parmenides' theory the real being is one and unified.
OC. This passage is a description of Aristotelian ultimate substance.
OD. This passage is a description from a Sophist.
E. This passage is one of the ways Plato explains his theory of Forms.