先通读下面的短文，掌握其大意，然后从A、B、C、D四个选项中选择可以填入空白处的最佳答案。
The former(前任的)US president Barack Obama's wife，Michelle,made lots of changes after she became First Lady in 2009．One of1was the White House garden.She2it by herself.The garden has many kinds of fruit and3. The fresh fruit and vegetables are used in the White House garden.The garden is also a 4for US children because they would like treat healthy food and live a healthy life by knowing about the garden．
"My husband will tell you that one of the most common questions she gets5 other people is．How is your wife's garden?"Michelle said．"And over the years this little garden has influenced (影响)lots of people across this country to start their 6．"
The former First Lady was worried that the new president wouldn't7the garden any more．
But she doesn't have to 8 ．The National Park Foundation(基金会)has raised$2.5 million．It will 9the garden growing for at least 17 years．
"This garden has taught us that10we have the courage(勇气)to plant something，"Michelle said．"we can water it and invite friends to help us take care of it．We never know what might grow．"
