阅读理解。

Peter:  Look, it's Tom's family photo.

Jim:   Is this girl his sister?

Peter:  Sorry, I don't know. Tom, is this your sister.

Tom:  Yes, it's my sister. Her name is Linda.

Jim:   How about this woman? Is she your mother?

Tom:  No. She is my aunt. She is a policewoman. Her name is Carol. These

are my parents. My father Frank is a doctor and my mother Sarah is a teacher.

Peter:  Who is this baby?

Tom:  Guess! Yes, it's me! I'm only 2 years old in the photo.

Jim:   Are these two old people your grandparents?

Tom:  Yes, they are. They're professors(教授).

1. Carol is Tom's __________.

A. mother

B. aunt

C. sister

2. Linda is ___________.

A. 2 years old

B. 7 years old.

C. I don't know

3. Sarah is a __________.

A. doctor

B. policewoman

C. teacher

4. Frank has ________ children.

A. one

B. two

C. three

5. Tom's grandfather is a ______________.

A. professor

B. teacher

C. doctor