B. 听下面四段材料，从题中所给的A、B、C三个选项中选出最佳答案。听两遍。
听第1段材料，回答第6—7题。
6. What are the two speakers talking about?
A. A birthday party. B. A new bike. C. Lucy's parents.
7. What did Lucy ask Mike to do at the end of the conversation?
A. Say thanks to his parents. B. Join her in the party. C. Try her new bike.
听第2段材料，回答第8-10题。
8. Whose birthday are they talking about?
A. Tina’s. B. Jim’s. C. Linda’s.
