从所给出的句子中选出合适的完成对话。
A. How many squares are there? B. Yes, I do. C. What are they?
D. What's in the box? E. Yes, there are.
Alice:
Karen: There are some different shapes.
Alice:
Karen: They are squares, circles, and stars.
Alice: Are there any rectangles?
Karen:
Alice:
Karen: There are four squares.
Alice: Do you like stars?
Karen: