Questions 4 to 7 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.
How many colleges and students are there in Canada

A．Asian regions have been attacked by the disease.
B．European birds are infected by virus.
C．Only a few people have been infected by the disease.
D．All the victims appear to get the disease from contact with birds.

A．He will fail to succeed.
B．He will be successful.
C．He will lose enjoyment.
D．He will be irrational.