It should be D! It was a friendly letter talking about how she had won the contest!
I hope all is well, and you pass! (: Good luck, rockstar! (:
I would say c. But I might be wrong please tell me if I’m wrong
Your question is very vague and therefore hard to understand but I would assume you are asking for the explanation of the pun.
This phrase is a pun because skiers ski down slopes, and going down hill is another way of saying not going very well. Old skiers never die, they just go down hill is a pun because skiers go down hills.