During a routine follow-up examination, the nurse updates the client's medication history. The client currently receives prednisone therapy. Concomitant use of an agent from which of the following classes could increase the risk of peptic ulcer disease ？（）
A．Antidiabetic agents, administered orally.
B．Nonsteroidal anti-inflammatory drugs (NSAIDs).
C．Beta-adrenergic blockers.
D．Contraceptive agents, administered orally.
