根据短文内容判断下列句子正误。

                                                                                                                 B

    One day, a little boy met an old millionaire and said. “I think I'm much richer than you.” The old man was greatly surprised and asked, “Why, my child?"

    “Do you know, time is money?” The boy asked.

    “Of course I do, but does it mean you are richer than me?”

     "Why not?" said the boy, “Now you see, I'm only ten years old and you are already seventy. If we both can live to 100, I still have 90 years to 90, while you have only 30 years. Time is money. Don't you agree I'm much richer than you?”

不知何时，“今天你晒了吗”成了流行语，晒客成了网络上流行的身份。晒工资、晒成绩、晒心得、晒广告、晒眼球、晒密照……无晒不有。八年级学生刘欣上网查阅资料之余，被网络上流行的晒客深深吸引，于是决定将班上同学的绰号、成绩、隐私也拿到网上去晒，甚至还编造一些无中生有的故事对某些同学进行奚落和侮辱。
你如何评价刘欣的行为？

向pH=11的溶液中滴加石蕊试剂，溶液呈（　　）