Heya here’s your answer
1) He told me that he could help me
2) They said they would join us for lunch
3) I told you that I was going to be late
4) The article said that the accident happened the day before
5) Our teacher had told us that she had lost our homework
The answer is, C. loyal
Hope this helps!
There you go that is the right answer my teacher just told me it was that choice