追寻天使的痕迹(5)

他只好在脑海里想象地铁里的风景。他想出来了：
人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人人

地铁里很安静，因为拥挤的环境让人失去了叫嚷的力气。人们沉默地看着车门关闭，最后一名乘客被推挤进来，她一开始还会尖叫几声，哀嚎几嗓子，地铁启动后，她很快也闭上嘴，被沉默的人群淹没。偌大的空间只有发动机在嗡鸣。人们呼吸，放空，再呼吸，再放空。无数颗眼睛沉默，盯紧地板和手机折叠屏。仿佛这里不是地铁，而是货仓里塞满海鲜的远洋渔船。人们默默地张嘴，固定姿势，吞咽水滴似的空气，然后吐出。
寂静而异样的气氛在弥漫。
突然，一个声音响起来：
“你们都见过小天使吗？”
沉默。过了好一会才有回答：“没。从没有。”
“要不要去见一面呢？下一站下车，坐半小时出租，就是救治小天使的医院。”
沉默。然后零零碎碎的声音回应她：