54．A 细节理解题。由第二段最后一句中的“I had been working with this colleague for at least a year，maybe two，and yet I did not recognize her handwriting”可知，作者对不能认出和自己一起工作了很长时间的同事的笔迹感到惊讶。
55．C 推理判断题。由第三段中的“There was a time when our workdays were filled with little letters，and we recognized one another’s handwriting the way we knew voices or faces.”可知，过去一起工作的人们通常能互相了解对方的笔迹。
56．A 细节理解题。由第四段中的“I was pleased to recognize...his staff，the same handwriting I would see at home...”可知，作者的父亲常用手写便条和家人及员工交流。
