Which Response by the Nurse Demonstrates Trial and Error Problem-Solving

Which response by the nurse demonstrates trial and error problem-solving method?

A) "Let's see if the new medication helps your nausea better than the last medication
Did."
B) "This medication has the best results in managing nausea."
C) "Let me discuss the problem with your healthcare provider and see what medication can be prescribed."
D) "The first thing we need to do is put you back on only clear liquids."