Why was I afraid to speak in college The class was ______ and some students could speak better than I.

A．The train has broken down and will not arrive.
B．The train was in a terrible accident.
C．The train will probably arrive at 9: 15.
D．The man is not sure whether the train will arrive or not.

A．He fixes bicycles.
B．He sells chairs.
C．He raises sheep.
D．He is a gardener.