The keyword research feature can help you:
Options
Expand keyword or negative keyword lists
Target the most relevant audience
Get bid estimates
All of the above
Explanation
The keyword research feature help you in Expand keyword or negative keyword lists, Target the most relevant audience and Get bid estimates
Conclusion
This question is a part of Microsoft Advertising Certified Professional Exam. You can read all the right answers here : Bing Ads Accreditation Exam Answers