下列哪个句子适用于文章的开头段？ 未知类型：{'label': 'questionDesc', 'content': '请根据写作要求作答。', 'isMemberControl': 0, 'type': 181} A: It is an undeniable fact that copyright has become a shared concern among Chinese people during the past few decades. B: Moreover, working in hometowns is conducive to the development and prosperity of their hometowns. C: It has become rather common in recent years that young people choose to work in their hometowns.

Conversation 2 (2) A: Their hometowns. B: Their future plans. C: Their college lives. D: Their school parties.