This is a " Data-based Prompt Injection, " where the AI treats data as instructions. By " Allowing extraction only to predefined values and headers, " the auditor restricts the AI ' s " Context Window " to specific, known data fields. This prevents the AI from " reading " and executing malicious commands hidden in other cells.
High temperature (Option A) would only make the model more likely to follow erratic instructions.
Converting to PDF (Option D) is ineffective because modern AI models can still read the hidden text layers within a PDF.