补全短文。根据短文内容，从短文后的A-F选项中选出适当的选项补全对话。（共5小题，每小题1分；计5分）

This is a picture of Tracy’s room. It’s a tidy room. A bed, a bookcase and a clock are near the window.     1     What’s under the chair?      2      Its name is Kitty. Tracy likes it very much. Some books and a dictionary are on the desk.     3     She is a good student. Look!     4     No, they aren’t hers.      5     He’s a student, too.

A. They’re her brother Tom’s.

B. Tracy always reads books at the desk.

C. Are those her model planes(模型飞机)?

D. A chair is next to the bed.

E. They are her brother Tom.

F. It’s a cat.

Those_______her friends.

A.are　　          B.is　　          C.it’s　　        D.they