D. It shows respect for the interviewee's time and expertise.
Preparing interview questions is a good way to show professional etiquette because it demonstrates that the interviewer values the interviewee's time and expertise. By taking the time to prepare thoughtful and relevant questions, the interviewer is indicating that they have done their research and are genuinely interested in the interviewee's knowledge and experience. This can help to create a positive impression and establish a respectful and productive dialogue between the interviewer and interviewee.
Additionally, preparing interview questions can help to ensure that the interview is focused and efficient. By having a clear set of questions prepared in advance, the interviewer can guide the conversation and ensure that important topics are covered. This can help to avoid wasting the interviewee's time and ensure that the interview is as productive as possible.
Overall, preparing interview questions is an important aspect of professional etiquette because it shows respect for the interviewee and their time, and helps to ensure that the interview is focused and productive.