Pete is late to work when he gets to a train crossing. He sees a train coming, but there are no barriers. Should he drive on?

a. Pete should stay back and wait for the train to cross.
b. Pete should get as close as he can so he's able to drive off as soon as the train crosses.
c. Pete should wait until the last minute to cross. Adrenaline is fun!
d. Pete should speed up and cross, as there are no barriers stopping him.