Which TWO responses are main ideas from the story about Dr. Mesmer?

A Dr. Mesmer charges his patients 100 gold louis to treat them.

B People find the discovery of invisible gases to be more amazing than Dr. Mesmer's mysterious force.

C Though he does not know it, Dr. Mesmer's success demonstrates the power of the human mind.

D Ben Franklin uses the scientific method to prove that Dr. Mesmer is a fake.