通读下面短文,掌握其大意,然后在各小题所给的四个选项中,选出一个最佳答案。
A long time ago, there was a seed(种子). Because he was only a seed, 1 noticed him. The seed thought he was not important in the world.
One day, a wind 2 the seed and threw him on an open field. Later, he enjoyed the water on wet days and the 3 on clear days, which helped him grow. Years later, another day he saw a traveler sitting by his side.
"Wow. How lucky I am! I can have a rest4 a tree on such a hot day." the traveller said.
"What are you talking about?" the seed quickly asked. He thought the man was5 him, because no one ever spoke to him like that.
" Who just spoke?" the shocked man asked.
"It's me. A seed."
The man said."Are you joking? You're not a seed! You are a big6 !
"Really?"
"Yes! People often sit here to7 your shade (树荫)! Don't tell me you didn't know that."
The traveler's words made him happy. The seed thought and8 for the first time in his life. The years of torture(折磨)by the sun and the rain helped him9 grow up. "Oh! That means I'm not a little seed any more! In fact, I can make people feel10 .Wow! That's great to be helpful."