The correct answer is D . This loss arises from an alleged professional error in the delivery of accounting services , not from bodily injury, property damage, cyber breach, or interruption of the accounting firm’s own operations. When a client sues an accounting firm because of a mistake, omission, negligence, or failure in professional advice or service, the relevant coverage is Professional Liability , often called Errors and Omissions (E & O . insurance.

Commercial General Liability (CGL . , choice A , is designed mainly for third-party bodily injury, property damage, and certain personal injury claims arising from the firm’s premises or operations. It does not usually respond to purely financial loss caused by bad professional advice or faulty tax preparation. Cyber Liability , choice B , applies to privacy breaches, hacking, ransomware, or network-security-related losses. Business Interruption , choice C , protects the firm’s own loss of income after an insured interruption, not damages owed to a client for negligent professional work.

From a RIBO exam perspective, the key distinction is between operational liability and professional service liability . Here, the client’s loss comes from the accountant’s specialized professional work. That makes this a classic Professional Liability / E & O exposure. When the allegation is “you performed your professional service incorrectly and I suffered financial harm,” the correct policy section is Professional Liability .