题目内容：

听下面一段较长对话，回答以下小题。

1.How did Rusty get lost?

A. Someone left a gate open.    B. He ran out of the front door.    C. He was stolen by someone.

2.What do we know about the man?

A. He works in a dog shelter.    B. He has a lovely dog.    C. He is warm-hearted.

3.What does the dog look like?

A. All white and black.    B. Brown with white spots.    C. White with brown spots.

4.What is the probable relationship between the speakers?

A. Neighbors.    B. Husband and wife.    C. Classmates.