when addressing an unknown audience in a cover letter, what type of tone should a writer have?\na…

when addressing an unknown audience in a cover letter, what type of tone should a writer have?\na. polite\nb. grammatical\nc. personal\nd. relaxed
Answer
Brief Explanations:
A cover letter is a formal document. A polite tone is appropriate as it shows respect and professionalism. A grammatical tone is about language structure, not the overall attitude. A personal tone might be too informal for an unknown audience. A relaxed tone is also not suitable for a formal cover - letter context.
Answer:
A. Polite