Final answer:
Audit documentation should allow an experienced auditor without prior connection to the audit to understand the work performed, the reasons for it, and the conclusions reached.
Step-by-step explanation:
Audit documentation relating to the A company audit should be sufficient to allow which type of auditor to understand the audit work performed? The correct answer is c) an experienced auditor. Audit documentation, also known as working papers or audit files, should be prepared in a manner that is clear and detailed enough for an experienced auditor, who has no previous connection with the particular audit, to understand what work was performed, why it was performed, and what conclusions were reached. It is not necessary for the auditor to have specific experience with A Company's audit or to be any auditor within the firm. The quality and clarity of the audit documentation are crucial in enabling the review process and oversight by an experienced auditor.