Is There an Echo in Here?

One of the Jooge's latest habits is to repeat everything I say but as a question.
For example:

Me: "It looks like he's blowing bubbles."
Jooge: "It looks like he's blowing bubbles?"
Or:
Me: "I think we should go on a walk."
Jooge: "Go on a walk?"

I've just become aware of it and it's kind of endearing but also kind of annoying. If I knew more about early childhood development it might help me understand the reasons behind it. I'm sure it has something to do with becoming empowered with language. I think she should teach classes to adults who aren't very active listeners.