The correct answer is letter A.
Medical Information Bureau (MIB) is a non-profit industry group that maintains a database of the insurer's medical information (such as applicant's medical conditions and medical exams, financial conditions and lifestyle) to protect both the applicant and the insurer of an insurance policy. Based on the information provided by the MIB, the insurance company is able to offer an insurance at a reasonable price and also identify frauds or misrepresentation.