Which option completes lhe paragraph below correctly?

I went to Georgetown University on October 9, 2003, to interview Dr. James Alatis, I have to admit that I was nervous. I had met him previously ai an international convention (a mutual friend introduced us), I was sure that he wouldn't remember me.

(Adapted from ANCKER, William P. A call to service. English Teaching Forum. v. 50, n. 1, p.18-19, 2012.)