of this week I will fly to Shanghai.A. By the end B. At the end C. In the end

问题补充：

of this week, I will fly to Shanghai.

A. By the end B. At the end C. In the end

答案：

解析：By the end到……末尾，到……为止；At the end最终，在终点；In the end终于，最后。句意：在本周末，我们要乘飞机去上海。结合语境可知选B。