He said [ ] a that I am a teacher b I was a teacher c that he is a teacher
d he was a teacher
选D
这是一句宾语从句的题目
主句的时态是一般过去时,所以从句的时态要在原来的基础上往前推一个,就用一般过去时
另外·,因为主语是【he】,从句中描述的对象是他自己,所以从句人称上应该用he