Answer:
D unable to unknot
Explanation:
According to the text "Which one might not undo" which bassically means it's not going to happen bro.
- - C.<span>He; subject
This is because if "X and Harold" are the subjects, and to complete this using "he", it would also have to be a subject.
He and Harold </span><span>are going on a camping trip next month.</span>
I think it's true? but could be wrong
<span>C. People in the neighborhood should be allowed to make their own decisions about their pets.</span>