"Announcing the end of the essay" is NOT an effective method for writing a concluding paragraph.
A thesis statement is an argument or statement presented by a writer in a text, which is meant to be backed with proof.
The thesis statement presents the perspective of the text and helps the reader to have an idea of the writer's view and thinking on a matter.
The aim of the writer is to convince the reader that his thesis is accurate. It forms the premise of the text.
Therefore, correct option is B.
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