The correct answer is B) Probably lacks a clear purpose.
When revising an essay, it’s a good idea to write down a sentence stating what your essay is about. If you can summarize it in one sentence, your essay probably lacks a clear purpose.
Remember that one of the most important things when writing an essay is to have a definite purpose. You have to choose a topic that can be of interest to your readers. Next, have a good outline considering the most important ideas to cover. Think of a good and powerful thesis statement to capture the attention of your readers. Be aware of the importance of a good introduction, develop the body of the essay and do not forget a good conclusion.
Johnson's intended audience was his fellow lexicographers. Throughout the text, he responds to the efforts of authors and academics who are also trying to standardize the language, particularly Johnathan Swift.