Answer:
I think it's A because article noun cannot be used Infront of uncontactable noun if it is not properly mentioned
B is the answer because without and it won’t be correct
Answer: The purpose of a thesis statement is to provide a clear, specific argument that will serve as a guide to the reader, so she knows what to expect from your essay. What is the first thing you should do when writing a thesis? Your thesis paper should help in expressing your thought process by simply breaking it into logically distinct sections.
Explanation: