You could read Chapter Nineteen for the answer
2.studies
3.books, main characters
Industries for manufacturing
This is a broad statement with no context. try inserting a picture to further explain what you're getting at
Answer:
C.
Explanation:
A. Is wrong because it is not formal, nor does it have a formal tone.
B. Has a formal tone, but does not have formal wording.
D. Is wrong because of the same reason as B.