The BEST description of Robert's communication with the elected official is C. Robert's letter was clear and respectful; he offered his opinion in a helpful way.
Avoid ambiguity in all communications. Communications must be clear and respectful, offering positive criticism and helpful suggestions for improvement. For this reason, we cannot describe Robert's communication as too respectful, emotional, or friendly.
Thus, the best statement describing Robert's communication with the elected official is Option C.
Learn more about communicating with elected officials here: https://brainly.com/question/24798153