阅读短文，从每题所给的A、B、C三个选项中选出最佳选项。
There
is an old Chinese saying, "If someone gives you a little drop of water,
you should return a spring of water". That means if someone helps you
a bit, you should remember it and thank them gratefully (感激的) in return.
We
should live in a world of gratitude. We should prove (证明) it with actions, not
just words. We thank people who hurt us, because they teach us important
things. We thank people who give us up, because we learn how to be independent.
We thank people who selfish (自私的), because we learn the
importance of being kind. Of course, we should thank people who help us. We
should thank people who teach us. We should thank people who care about us.
We
thank our parents. They work hard all the time in order to give their sons and
daughters a better life. They cook meals for us, they do the chores for us,
they always give us food and clothes, they teach us what is right and what is
wrong.
We
thank our teachers who give us dreams. They teach us a lot of things but they
ask for nothing from us. We are well-educated of them.
There
are a lot of people that we should be grateful to in our life. We should find a
way to thank them.
