Which of the following best avoids a long lead-in？（）

Which of the following best avoids a long lead-in？（）
A.Yes，we will send the information you requesteD.B.You may be interested to learn that we will send the information you requesteD.C.This is to advise you that we will send the information you requesteD.D.I am writing this letter to inform you that we will send the information you requesteD.
正确答案：Yes，we will send the information you requested.