Yeah, its D (emphasize the importance of the meeting and its special purpose)
There are many kinds (can't name them all off the top of my head)
1. Telling someone you'll keep it a secret and then tell anyway...
2. Always being there for someone and then not
3. When you cheat on your husband/wife or someone you're in a relationship with
4. Using someone just to get some
Those are all I can think of (at the moment). But you can just pick whichever one you want.
The best thing you could do is read the book, or if in a hurry watch the Anne Frank movie on Netflix, or you can do research on the different side characters like Mr. or Mrs. Van Daan, Mr. and Mrs. Frank, or her sister.
I think it’s C, he felt a sense of threat and loss that many Africans faced when the empire invaded and disrupted their lives.
"short" is the answer for your question