An adult client has rheumatoid arthritis. Aspirin 975 mg q4h PRN is ordered for pain. At 2:00 P.M., the client requests pain medication. Aspirin was last given at 9:30 A.M. What is the most appropriate initial action for the nurse to take?

D Assess the nature of the pain B Question the order because it is a higher than normal dosage C Attempt to divert the client's attention from the pain A Give the aspirin as ordered