Final answer:
The common interviewing mistake not listed is 'C. asking about the company and the job', which is a recommended behavior that demonstrates interest and preparation.
Step-by-step explanation:
Among the common interviewing mistakes made by candidates include lack of preparation, arriving late, messy appearance, conveying a lack of confidence, and having a negative attitude or a lack of enthusiasm. These mistakes can significantly diminish a candidate's chances of making a good impression and securing the job. However, when it comes to the options provided, asking about the company and the job is not a mistake but rather a recommended practice.
Candidates are encouraged to prepare ahead of time and formulate questions they want to ask about the company and the job. This shows that they have done their homework and are genuinely interested in the position. By contrast, playing games, being unprepared, talking too much, and not listening are all behaviors that can be detrimental to an applicant's success during an interview.
In summary, the correct answer to the question is C. asking about the company and the job, because it is actually beneficial to be intellectually curious and engaged during an interview.