The correct answers are: A) Grammar, B) Punctuation, C) Spelling.
A writer should focus on grammar, punctuation, and spelling while editing an argumentative essay.
An argumentative essays define a position on any topic and expose the reasons –the arguments-that supports the evidence, for agreeing with that position.
Editing and argumentative essay implie checking the grammar, punctuation, and spelling. It is the examination of the structure, the words and the organization of the work done. An editor checks for style, spelling, grammar, and punctuation.
A basic outline to be included in an argumentative essay includes an Introduction to capture readers. A background to give the context of the topic. A thesis, stating your claim. An argument to explain the reasons. A conclusion to summarize the most important points.