To which items do attempts apply in a work queue?

Attempts in a work queue in Blue Prism specifically apply to items that are marked as exceptions. When a process encounters an issue while processing an item, it can throw an exception, causing the item to go into a state where it requires further attention or handling. In this scenario, the system tracks the number of attempts made to process the item, which is crucial for understanding the nature of the exception and determining whether the item can be successfully processed after adjustments or if it needs to be escalated or addressed by a human operator.

Items that are completely processed, marked for review, or simply exist in the queue do not have attempts associated with them since attempts are relevant only to those that have encountered errors. Thus, the emphasis on exception items reflects the specific use of attempts as a management tool within work queues, making option C the accurate choice.