Answer: Reference to a departure from GAAP that is material, but not pervasive, to the financial statements.
Step-by-step explanation:
Based on the information given, the situation which would not result in the auditors adding an additional paragraph to their report without the modification of the introductory, the scope, or the opinion paragraphs of the report is option A "Reference to a departure from GAAP that is material, but not pervasive, to the financial statements".
Other options are incorrect. Therefore, the correct option is A