A complex sentence or one main clause
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First question: 4, because this seems to fit the title the best.
Second question: I would need to read the book to know, which is what you should do.
Third question: 1 or 2
Fourth question: 2
It was hard to answer these because of your lack of spacing, but hopefully these are right.
Good luck!
-RxL
Answer:
Answer is D.) writing introduction