Unger's Mad Scientist Thought Experiment Is Intended to Show That

Multiple Choice

Unger's Mad Scientist thought experiment is intended to show that

A) a mad scientist that controls our minds right now cannot possibly exist.
B) because you can't be sure you're not at the mercy of a mad scientist right now, sense experience can't be a source of knowledge.
C) when we're sure no mad scientist exists, we can have knowledge through sense experience.
D) sense experience can be a source of knowledge.