made snap judgments about fellow conference - goers which may or may not have been appropriate or well - founded . wished we 'd been able to get into the control tower.went back to room and read . travel partner went to meet with advisor to work on presentation . fell asleep just before opening session ; was woken by travel partner 30 min later .

Question: What was the reason that he was late to the meeting ?
Answer: He overslept .The meeting with the advisor ran late .None of the above choices .They could n't get into the control tower .