With more than 100 million users in more than 230 countries, Kakao Talk is a multi­platform (多平台) texting application that allows users to send and receive messages for free. With Kakao Talk, users can message each other one­on­one or in group chats with unlimited numbers of friends. You can also choose from more than 250 animated emoticons and share them with friends.

　　Line (Japan)

　　Users: more than 200 million

　　Platforms: Android, iOS, Windows Phone, BlackBerry and PC

　　Features: text chats, group chats, push­to­talk, file sharing, location sharing, gaming, stickers

　　Line tops the list of the most downloaded free apps in 52 countries. Apart from text and voice messaging, Line provides its users with more than 250 original stickers and emoticons to buy from its own shop. In the first quarter of 2017 alone, it made D|S17 million just from stickers. The popular app also allows friends to battle each other in the Line games.

　　1．The first paragraph of the passage is used to ________.

　　A．introduce the most popular mobile messaging apps in China

　　B．talk about new features in the latest mobile messaging apps　

　　C．draw readers' attention to various popular mobile messaging apps

　　D．explain how mobile messaging apps have become so popular

　　解析：选C　推理判断题。根据第一段的内容可推知，第一段在文章中起导入作用，以引起读者对各种移动交流应用软件的关注，故选C项。

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