I am sorry to inform you that I have no choice ____to refuse your application.a、andb、thanc、butd、rather

i am sorry to inform you that i have no choice ____to refuse your applicatio I am sorry to inform you that I have no choice ____to refuse your application.a、andb、thanc、butd、rather I'm sorry to have to inform you that y I am sorry to myself I am sorry to inform you that I have no choice ____to refuse your application.选项:a、andb、thanc、butd、rather I am sorry I have to I'm sorry to have to inform you that the message returned I am sorry to hear that是什么意思? i am sorry to hear that.是什么意思? I am very sorry to hear that. 翻译：I am very sorry to you I am sorry to see 现在就要 I am sorry to trouble you but. I am sorry to that hear . I am sorry just to trouble you! I am sorry to trouble you 用 i am sorry to .造句 I am sorry to one forever是什么意思?