As an auditor reviewing this investigation report, which indicates an effective process?

A: The compliance officer concluded the investigation approximately 3 months later and filed a suspicious activity report. B: The compliance officer concluded from the report that there are reasonable grounds for suspicion and filed a suspicious activity report. C: The compliance officer filed a suspicious activity report and omitted details regarding the reason it was filed. D: The compliance officer decided not to cease the Business relationship hut kept the account under rigorous monitoring process.