The board of Silvermines SA is unable to make all the standard disclosures as required by the Global Reporting Initiative's Sustainability Reporting Standards. Which ONE of the following statements is true? Question 10 Answer a. Silvermines must state what information has been omitted, but is not obligated to disclose necessarily why it has been omitted. b. Silvermines can still state that the sustainability report has been produced in accordance with the GRI Standards, without any further disclosure of the information omitted. c. Silvermines must state what information has been omitted and why it has been omitted. d. Silvermines is not allowed to state that its sustainability report has been produced in accordance with the GRI Standards