Questions 22 to 25 are based on the conversation you have just heard.

A．The tramp had stolen nothing of value.
B．The store had profited by the incident.
C．The tramp had a happy Christmas.
D．The store was responsible for what happened.

A．A bat caught the insect in midair and ate it.
B．Dolphin’s clicking sounds bounced off the fish and back to it.
C．A person heard an echo when he shouted into the valley.
D．A dog heard his owner’s whistle because he used ultrasound.