I think that the answer is a
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.
