I believe it is D since he’s telling why he spent a lot of time in Washington.
Answer:
Permanently
Explanation:
In this sentence, you are looking for a word that describes a situation that is not going to change anymore. Initially, the woman in question had thought this change was going to last a limited amount of time. It was temporary. Instead, she now knows the opposite to be true. The situation will not change anymore. This means that the move is "permanent."
Answer:
1) posters
2) write
3) cool
4) home
5) some
Hope this helps!