—Lucy could you help me please?—AThank you! B．Yes. What’s up? C．I’d love to.

问题补充：

—Lucy, could you help me, please?

—

A．Thank you! B．Yes. What’s up? C．I’d love to.

答案：

解析：Thank you!谢谢你；Yes. What’s up?是的，有什么事吗？I’d love to.我很乐意。根据上文，露西，你能帮我一下吗？可知选B，最符合语境。