Question

Which statement about Johannes Gutenberg is true?

A.
He proposed a new educational program that became known as humanism.

B.
He developed a new method of glassmaking that remained a closely guarded secret for centuries.

C.
He invented a printing press with moveable type and used it to make copies of the Bible.

D.
He served as the head of the powerful weavers' guild in the German city-state of Augsburg.