Every morning when we wake up, we have two choices. We can choose      to be in a good emotion      to be in a bad emotion. Why not choose the positive side of life?

A. neither, nor     B. either, or         C. not only, but also

室外自承式蝶形引入光缆在终端杆吊线和光缆分开处用扎线整体缠绕（）圈。