I am Alice. I like Wechat. It is fast， convenient and fashionable. And you can use it for free. It can be used in my mobile phone. It has hold-to-talk voice messaging function. I am a fan of Leehom Wang. Through Wechat， Leehom Wang often says something to me. It’s amazing.

I am David. I love Weibo. I update my Weibo when I am free. We can share instant(即时的)messages with each other. I often look through Yao Chen’s Weibo. She has many followers. I make many friends with them. I often write something on my Weibo， for example， “I feel blue today. I didn’t pass the exam. ” Then many friends comfort me. I share my birthday party， my new phone， my new coat， etc. with my friends. It is fun.

I’m Lily. I don’t like Wechat or Weibo. I don’t believe them. There are so many crimes(不法行为)on Wechat. Many people are cheated(欺骗)because they believe in other people they meet on Wechat easily. It is not a real world. As to Weibo， I don’t think it is a good way to make friends. And you should write something no more than 140 words. I like keeping diaries. I don’t want my secrets known by others. I am a low-key(低调的)girl.

What does Alice think about Wechat?

A．It’s fast and convenient.	B．It’s fashionable but slow.
C．It’s safe and useful.	D．It’s fun but expensive.

Why doesn’t Lily believe Wechat?

A．Because many people are cheated on Wechat easily.

B．Because she doesn’t like to say anything to her friends.

C．Because she doesn’t think it is a good way to make friends.

D．Because she prefers keeping diaries to showing secrets to others.

From the passage we can learn David is  .

A．a low-key boy	B．an open-minded boy
C．a stupid boy	D．a lazy boy