i'm sorry to tell you .这个句式的答句应该用什么?i'm sorry to tell you that you have failed the exam不是提问者做错了事

i'm sorry to tell you .这个句式的答句应该用什么?
i'm sorry to tell you that you have failed the exam
不是提问者做错了事

thanks for telling me
thanks for your concern
it doesn't matter