根据答语写出问句。

1. A：                                     ?  

    B: My weekend was great. I had a good time.

2. A：                                      ?

    B：My father went to the mountains last weekend.

3. A：                                       ?

    B: Yes, I did. There was a sports game on TV last weekend.

4. A：                                      ?  

    B：Ann's birthday party was fun.

5. A：                                      ?   

    B：Yes. I played basketball with my classmates yesterday.

华裔科学家高锟发明的光导纤维被称为信息时代的神经。光导纤维属于

A．无机非金属材料

B．金属材料

C．有机高分子材料

D．复合材料