C. Visit the woman's company.

8. How do the speakers know each other?

A. They are family members.

B. They go to the same school.

C. They teach at the same school.

9. How has the man tried to reach his brother?

A. He sent him a text.

B. He went to his house.

C. He left him a voicemail.

听第 8 段材料，回答第 10 至 12 题。

10. Which subject is difficult for the woman?

A. Math. B. History. C. Chemistry.