We can conclude from Paragraph 2 that______. A．both WeChat and WhatsApp are chatting tools B．WhatsApp has more functions compared with WeChat C．customers can shop online through most chatting softwares D．Xiaomi is so popular that 150,000 phones are sold every ten minutes
A. A．both B.WhatsApp C.customers D.Xiaomi
【参考答案】
A 选项[A]中的WeChat和WhatsApp对应第二段首句：WeChatstartedoffasamessa......