Ten minutes after we left the station the bus broke down . My roommate had told me that would probably happen . A 45 minute delay followed before another bus showed up to transfer us . The new bus was in worse shape and made terrible grinding noises like the gears were shot every time the driver shifted .

Question: Why did the bus break down ?
Answer: The bus had caught a flat tire .The bus had ran out of gasoline .It was having issues with the engine .None of the above choices .