问题详情

听第9段材料，回答第14至16题。
W: What a great day! Hey, Tom, do you want to go to the beach this weekend？
M: Yeah, that is a great idea. Maybe Sara would like to come along with us.
W: I doubt it.
M: Why？ You are kidding! You know, she loves watching the sea.
W: But yesterday afternoon she told me that she would go home this Saturday.
M: What happened？
W: She said that her mother was ill and stayed in the hospital, and therefore she wanted to go home to see her.
M: I am sorry to hear that. Well, What do you think？ Should we take some food？
W: That sounds great. Maybe we could have a picnic on the beach. Then let"s take some sandwiches, chips, and uh…some salad as well.
M: We should also take some drinks like Coke and beer.
W: Good. In addition, we had better pack beach towels and sun cream.
M: OK. Please don"t forget to give me a call and let"s go down together. What will the two speakers do this weekend？
[A] Go swimming in the sea.
[B] Have a picnic in the hotel.
[C] Have a picnic on the beach.请帮忙给出正确答案和分析，谢谢！