The correct answer is B. <span>I am running in a charity race next month.
The progressive verb is "running". All of the other sentences have simple verbs.</span>
You would want to write a thesis statement to sum up your essay or report in a simple sentence. It also provides an outline to the reader. It could also answer a question and is the main statement that your essay revolves around.
Three characteristics of a strong thesis statement are:
1) It is a complete sentence and not a question.
2) It makes a point or argues a position.
3) It is specific and to the point.