题目内容：
单选题) What do we learn about Facebook from he first paragraph?( )(本题2.0分)A、 It is a website that sends messages to targeted users.
B、 It makes money by putting on advertisements.
C、 It provides loads of information to its users.
D、 It profits by selling its users’ personal data.
参考答案：【答案仅供学习，请勿对照自行用药等】