What Is a Thought Experiment

What is a thought experiment?

A) An imaginary scenario used to elicit people's intuitive judgments about something as a way of evaluating a moral principle.
B) A detailed imaginary scenario in which everyone will agree about what the right thing to do is, which philosophers use to show that a particular moral principle is mistaken.
C) A fictional example or story designed to illustrate how a moral principle applies to specific cases, based on intuitive judgments.
D) A hypothetical scenario in which people's intuitive judgments match up with the implications of a moral principle to help people understand the principle.