Question

Topic sentences have a dual purpose to:

Answer 1

I think the answer is A...I hope this helps!

Answer 2

Answer:

c) Communicate the purpose of the paragraph and relate the paragraph back to the thesis.

Explanation:

Topic sentences are the first sentences that the reader reads when facing a document, so they have to be clear about the purpose of the paragraph and the thesis and reasoning that is going to be exposing, and showing the conection to the main thesis of the document.