C) A modern newspaper is printed many more times than previous newspapers--and still is relatively cheap to buy.
The text says
"Johannes Gutenberg made the earliest printing press, as we know it today, around 1450. These presses used movable type to create many pages of news faster and more easily than any other process. "
So the answer to the question (What can the reader infer the author means when he says that newspapers were not truly modern until after the invention of movable type?) is
C.
Older inventions had vast improvements made on them.
The Apollo 13 was the 3rd mission to land the moon. The explosion of the oxygen tank effected this because the crew was forced to orbit the moon and land safely back to Earth without landing on the moon
"Essay on MY best teacher" We do not know your teachers and you did not provide any valid information on them, nobody can help without more data and you should be doing this alone because we dont know them.