The nurse is providing postoperative care for a client recovering from abdominal surgery. The client is receiving morphine through a client-controlled analgesia pump. Which finding would indicate that the client is obtaining adequate pain relief

A. Awakening several times during the night to redose.
B. Respiratory rate of 10 breaths/minute.
C. Pain rating of 2 or 3 on a scale of 0 to 10.
D. Complaint of itching as an adverse effect of the analgesi

山西五台山佛光寺大殿，平面柱网由内外两圈柱组成，这种形式在宋《营造法式》中称为“（）”。