It would be too obvious for me to write the entire letter for you, but I'll include a list of points that you could include in your own writing style:
* Thanking Lee for his letter, and saying that you are happy that he is having a good time.
* Telling him roughly what you're studying at school (without being boring).
* Write about what you would like to do when you leave school.
* Finally, say that you miss him a lot and look forward to hearing from him soon.
Answer:
I'm pretty sure the best answer would be D.
Feel free to correct me if i'm wrong cause i'm not 100% sure..
If I remember correctly, the resolution to the conflict in "Homesick" is D) Jean finds a way to feel as though she fits in, in China, without sacrificing her American identity.