Answer:
B. an artist's rendering of the Gutenberg printing press
Explanation:
<u>As the passage is clearly about how Gutenberg's first printing press worked, an artist's rendering of the machinery</u> which is such an important invention would be very useful in understanding how it works.
<u>the paragraph is pictorial and descriptive</u> and hence would greatly benefit from an illustration that provides visual aid for the workings of the complex machinery that is described in detail in the text.
During a project concerning words in digitized books, researchers estimated a total of 1,022,000 words and they also said that this number would rapidly increase by several thousands in a year!
but, when you see a number like this, you have to keep in mind that these include different forms of the same word and some of these words may be archaic (referred to words that are not in modern day use)
according to the options given, the best answer would be c) 1,000,000