听一段对话,回答第11、12小题。
(
) 11. How did David and Frank go to the zoo?
A. In David's father's car.
B. In Frank's father's car.
C. By bus.
(
) 12. What did David and Frank NOT do in the zoo?
A. They did not see many animals.
B. They did not watch a show.
C. They did not draw any pictures.