An organization wishes to demonstrate to an auditor that its operational processes were carried out as planned over the past year. Under Clause 8.1, what is the most appropriate form of evidence?

• A.Interview statements such as opinions, recollections and verbal assurances given by the process owners to the certification body
• B.Policy statements such as mission, scope and objectives approved by top management
• C.A signed declaration such as a letter, a memo, and a certificate from the process owner
• D.Documented information such as logs, records and outputs generated during the operation of the processes