Answer:
To support a very general thesis about the text
What are you reading? And what part of the reading?
Answer:
A.
Explanation:
C is out of the question. Possibly could be B. A sounds the most accurate to the question.
Answer:
To explain the printing press Gutenberg invented and why he invented it.
Explanation:
The passage begins with describing the situation which led to Gutenberg inventing the printing press. With the growth of literacy game the need for a faster and inexpensive way to produce written documents. The passage then goes on to explain the printing press Gutenberg invented and how it functions.
~Hope this helps!~