What is the difference between a theory and a hypothesis?

What is the difference between a theory and a hypothesis?

• A. A hypothesis is a testable statement; a theory is a well-substantiated explanation supported by evidence
• B. A theory is a guess; a hypothesis is a proven fact
• C. A hypothesis is proven fact; a theory is an untested idea
• D. A theory is a subjective opinion; a hypothesis is a fact

Answer: (C)