从所给出的单词中选出合适的完成对话。

Lucy: Look at this photo. This is my mother when she was a .

Jack: How old was she then?

Lucy: She was about six months old then. She a lot. And this is my father when he was a teenager.

Jack: How old was he then?

Lucy: He was about fifteen years old then. He was a high school student. Look! This is my mother and father on their wedding day.

Jack: They looked so ! Who's that girl in this picture?

Lucy: Haha! That's ! I was in the kindergarten. I was a fat little girl!