Questions I to 4 are based on the following conversation. At the end of the conversation, you will be given 20 seconds to answer the questions.
Now listen to the conversation.
What will be the subject of the pictures at the exhibit

A．There are 200 South Korean non-combat troops in Afghanistan.
B．People marched in Soul to plead for prompt resolution.
C．South Korean government sent delegation to Kabul to solve the crisis.
D．The South Koreans were kidnapped on Thursday.

A．About five million of the population of the United States is of Asian origins.
B．Most of the Chinese were employed in heavy industries when they first came to the United States.
C．Chinese people retreated into Chinatowns out of their own choice.
D．Chinese immigration was ended by law in 1882.