Which is a result of using a machine?

Which is a result of using a machine?

A. The mechanical advantage makes the work output greater than the work input.

B. The machine can put out force without having any force applied to it.

C. A large force can be exerted through a long distance to have a small force exerted through a short distance.

D. A large force can be exerted through a short distance to have a small force exerted through a long distance.