Questions 19 to 22 are based on the conversation you have just heard.

[A] They eat or spoil crops.
C. They attack birds and animals.
B. They destroy dams and buildings.
D. They carry diseases.

[A] They met Yokoi Shoichi when he arrived.
C. They saw a display of Shoichi’s clothing and equipment.
B. They went to a department store to meet him.
D. They attended Yokoi Shoichi’s wedding.