Number one is B hope this helps out :)
Answer:
IT'S A.
Explanation: Because an appositive phrase is a noun or noun phrase that renames the noun next to it. And A. is the one that explains about it.
https://4agoodcause.com/5-examples-great-fundraising-appeal-e-mails/
https://4agoodcause.com/5-examples-great-fundraising-emails/
Hope these help. Good luck.
That’s just to many words to type