Question

Как правильно?

а) I had been waiting for 20 minutes when I realized that I WAS in the wrong restaurant
б) I had been waiting for 20 minutes when I realized that I AM in the wrong restaurant
в) I had been waiting for 20 minutes when I realized thag I HAD BEEN in the wrong restaurant​

Answer 1

(а) - "I had been waiting for 20 minutes when I realized that I WAS in the wrong restaurant."