Final answer:
The MOST appropriate action for the Operations Professional to take in this situation would be to notify the principal of the complaint (option C).
Step-by-step explanation:
The MOST appropriate action for the Operations Professional to take in this situation would be to notify the principal of the complaint (option C). Even though the RR has informed the Operations Professional that the issue is resolved, it is still important to inform the principal about the complaint. This ensures that the necessary steps can be taken to address the situation and prevent similar issues in the future.