听下面五段对话，选出问题的最佳答案。

听下面五段对话，选出问题的最佳答案。
( ) 1. A. A teacher.
B. A doctor.
C. A worker.
() 2. A.Yellow and white.
B. Red and yellow.
C. Red and white.
() 3. A. On the chair.
B. Under the chair.
C. Under the desk.
() 4. A. Pork.
B. Noodles.
C. Rice.
() 5. A. Potatoes and tomatoes.
B. Carrots and tomatoes.
C. Carrots and potatoes.