Hi Niko
The answer is : A
Why
Because what does the writer say is a question and that's mean he doesn't understand him.
I hope that's help:)
I believe the correct answer from the choices listed above is option A. The correct pronoun would be "me". <span>Let's just keep that idea between you and me. Although, this is the most appropriate pronoun to use, "I"has been become accepted as correct. Hope this answers the question.</span>