On a Friday night, a poor young violinist was playing his violin at the entrance(入口)of the subway station. The music was so great that people put some money into his hat.
The next day, the violinist came to the entrance again. He put down his hat as usual. Beside the hat was a piece of paper with some words on it： "A George Sang has put an important thing into my hat by mistake. Welcome to claim（认领）it.”After a while a man named George Sang ran here quickly and got back his important thing.
The important thing was a lottery ticket（彩票）.Sang bought it and won a prize of $500,000. But when he gave$50 to the violinist for his wonderful music, he threw the lottery ticket, too. The violinist was a college student. That morning, he was going to Vienna for his education. However, when he found the ticket, he cancelled the flight and returned to the entrance.
He said, "Although I don't have much money, I live happily. If I lose honesty（诚实）, I won't be happy forever."
The young man played the violin for_______ at the entrance the next day.

A．honesty

B．money

C．food

D．happiness

George Sang put_______ into the violinist's hat on a Friday night.

A．money	B．a lottery ticket
C．money and his lottery ticket	D．nothing

The underlined word "cancelled" means "_______"

A．取消

B．延误

C．预定

D．结束