Mr. Plummer traveled to London ______.A．at rush ho

单项选择题

Mr. Plummer lived in Winchester, in the South of England. One day, he had to go to London on business, so he bought a second-class return ticket and caught the morning train.
After spending the day in London, he reached the station at rush hour, when all the businessmen were going home to the country from their offices in London. The train was already crowded when Mr. Plummer arrived, and he was afraid that he would have to stand up.
Then he noticed that there were several empty seats in the first-class compartments and he decided to travel in comfort. He could pay the extra money when the ticket collector came round on the way to Winchester. Mr. Plummer got into a first-class compartment and sat down.
There were four other men in the compartment. They all wore dark suits and had the appearance of ordinary, successful businessmen. However, just before the train started, a different kind of person jumped in and sat down. It was a young man who had certainly never worked in an office.
Mr. Plummer was surprised to see such a man in a first-class compartment until he remembered how full the train was. The young man had very long hair, and he wore a bright red T-shirt with a large picture on the front.
Two of the other men looked up in silence from their newspapers, then started to read again, but their faces showed clearly what they were thinking. Mr. Plummer decided that he was not the only passenger who was going to pay something extra to the ticket collector.
About twenty minutes ’after the train started, the door opened and the ticket collector came in. Mr. Plummer had the necessary money ready in his hand, and he held it out with the ticket. The ticket collector then turned to the others.
One by one, each of the businessmen held out a second-class ticket, and all had to pay the extra money. But the young man sat still. Had he no ticket at all
He had. lie was the only first-class ticket in the compartment.

Mr. Plummer traveled to London ______.

A．at rush hour
B．in a first-class compartment
C．in the morning
D．to buy a second-class return ticket