阅读下面短文，然后从A、B、C、D四个选项中，选出能填入短文空白处的最佳选项。
An old woman lost her only son. The sad woman went to a clever man and asked, "Is there any way I can throw away my sadness?"
The clever man said to her, "Go and 1 me a seed from a home that only knows happiness. I will use it to drive the sadness out of your life." The woman went off at once to2 for that magical seed.
First, she came to a beautiful house, knocked at the door, and asked 3,"Excuse me, I am looking for a 4that has never known sadness. Is this such a place? It is veryimportant to me. "
They told her, "You've certainly come to the5place," and began to describe all the sad things that had recently happened to them.
The woman said to herself, "Who is able to6these people that have had such sadness like me?" She stayed to cheer them up7she went on looking for a home that had never known sadness.
But wherever she went, whether in the homes of the poor or the rich, she found one sad8after another. She became so busy helping other people that she9about looking for a seed that would magically10her own sadness. She even never realized that her helping others had driven the sadness out of her life.
