根据短文内容，从A、B、C、D四个选项中选出一个能填入相应空格内的最佳答案。
Sam and his friend Bob, both 5, entered a painting competition. Bob won! Sam felt blue and left 1_.
As soon as Sam 2 home, he told Papa, "I worked hard on my picture. I made it the best I could. I wanted to win. "
"You did work hard, "said Papa. "3 is a fine picture. Ill hang it in my office. "Mama gave Sam a hug and said, "I hope you congratulated Bob."
Sam shook his head, "Bob was too busy getting his photo taken. "Then he went to his room. He sulked (生闷气). He didn't feel like doing anything. Some time later, he got very 4. He wondered what Bob was doing. He remembered the fun they had, painting their pictures together
He decided to do something, 5 he took out some paper and his painting set. He painted another picture, one 6 a ship in it. He knew Bob loved ships.
Under the ship, he printed in big red 7: C-O-N-G-R-A-T-U-L-A-T-I-O-N-S!
That was the biggest word he knew.
That afternoon, Sam walked to Bob's house and gave Bob the 8.
"Thanks," said Bob. "I love ships. What's the 9 word?"
"Congratulations," said Sam.
"Wow! Thanks again," said Bob. "This is much better than getting my photo taken.
And happily they went to ride bikes together.
Friendship is much better than 10, isn't it?
