Which of the following inventions originated in ancient China?

-compass

-block printing

-gunpowder

-all of the above

I believe the correct answer from the choices listed above is the last option. The inventions that originated in ancient China are the compass, block printing and the gunpowder. Other inventions are paper and printing. Also, at that time umbrellas were invented to protect them from the sun and the rain.

The answer is D all of the above