阅读下列材料，从A、B、C、D四个选项中选出最佳选项。

    We use emojis in our talks all the time. Do you know about their meanings? Let's have a look.

    But some emojis may have different meanings in China. Here are two examples.

    It looks friendly to us, but it can be someone laughing at you.

    People sometimes use this emoji to show that they don't want to talk to you anymore.

    People all over the world can understand the emojis, but in different countries they may have more meanings, we should be careful about how we use them.