I stood there waiting for a few minutes and my phone began to ring . " Hello Chad . " I said answering the phone " Hey there boy wonder , are you at the restaurant ? " Chad asked " Yeah where are you ? " " I ' m running behind a few last minute items to take care of here at the office . Natasha called and said she 'd be there in a few minutes and I filled her on how I am running behind .

Generate a question about the above context.
What may have happened before Chad 's phone started ringing ?
Choose from:
[1]. None of the above choices .;
[2]. He used the bathroom in the restaurant .;
[3]. He arrived at the restaurant and Natasha was n't there .;
[4]. He ordered a drink in the restaurant .;