下列语句中，标点符号使用正确的一项是(　　)

在下面语段横线处补写恰当的语句，使语意完整连贯，内容贴切，逻辑严密。

    什么是“乡愁”？《现代汉语词典》的解释是：“深切思念家乡的忧伤的心情。”说她“深切”，是因为乡愁像空气一样无所不在，像①，不知不觉就会涌上心头——“唯有寒潭菊，独似故园花”；②，是因为思念不得，又难以割舍，只有魂牵梦绕，甚至以泪洗面——“故园东望路漫漫，双袖龙钟泪不干”。乡愁，包含着对家乡故物、故人的思念。故物、故人，不仅仅是孤零零的物和人，③。故乡的方言土语、风土人情、剪纸年画、民间小调，特别是节日、庆典、歌谣、戏曲，都是游子挥之不去、难以割舍的精神寄托。

    One day, long long ago, a little baby was born(出生). His name was Jesus(耶稣). Jesus was a special baby. Many people said he was the son of God(上帝). When he was born, a new star was in the sky. Three wise men saw the star. They followed the star to Jesus. They brought the baby special gifts. When the baby grew into a man, he was a great teacher. He taught people to love God and to love each other. Jesus's birthday，December 25th, is Christmas Day. We give gifts to our friends and family at Christmas. We put stars on our Christmas trees, too.

下列属于最简二次根式的是（　　）