This is my teacher Miss Chenis from Hebei.A. She B. He C. they

问题补充：

This is my teacher, Miss Chen. is from Hebei.

A. She B. He C. they

答案：

解析：She她；He 他；they他们。根据上文，这是我的英语老师，陈小姐。她来自河北。结合语境可知下文人称代词指代的是前文的陈小姐，故选A。