Final answer:
The most appropriate thing to say to the pharmacist in this situation would be option (B) "I am concerned there is a safety issue here."
Step-by-step explanation:
The most appropriate thing to say to the pharmacist in this situation would be option (B) "I am concerned there is a safety issue here." This statement reflects your observation of the pharmacist's unusual behavior and raises a valid concern about the potential impact on patient safety. It allows you to express your worries without being confrontational or accusing. By using this statement, you show your genuine concern for patient well-being and open the door for a collaborative discussion about the issue.