Final answer:
The right time for a quality check and verifying correct items is upon receiving them, allowing for immediate resolution of any issues.
Step-by-step explanation:
The appropriate time to complete a quality check and verify that you have the correct items is C. Upon receiving the items. Although quality checks can be done at multiple stages, the most critical point to ensure accuracy and satisfaction with a product is immediately upon receipt. This allows any discrepancies to be quickly addressed and rectified with the supplier. Proactive quality control at this stage can prevent any further complications or costs associated with having incorrect items.