Which of the Following Statements Is Used When You Want

Multiple Choice

Which of the following statements is used when you want to add data to the end of an existing text file?

A) Dim sr As IO.StreamReader = IO.File.OpenText("Data.txt")
B) Dim sr As IO.StreamReader = IO.File.AddText("Data.txt")
C) Dim sw As IO.StreamWriter = IO.File.CreateText("Data.txt")
D) Dim sw As IO.StreamReader = IO.File.AppendText("Data.txt")