问题详情

根据听到的内容，回答 15～18 题
第 15 题 In this passage, the speaker is trying to __________．
[A] complain about a bad conference center [B] describe what makes a good conference
[C] persuade employers to choose a conference hotel
[D] advise employees where to stay for a conference请帮忙给出正确答案和分析，谢谢！