阅读短文，从方框中选择适当的词并用其正确形式填空，使短文通顺、意思完整。请将答案写在下面题号后的横线上。每空限填一词，每词限用一次。方框中有两个词是多余的。

Life doesn't always give us what we want. We don't always get our hopes and  66____We don't always get what we want. But be _ 67____   and believe in yourself, because you can make difference as time goes by. Try to find the beauty _ 68  you, in nature, in others, and in yourself. Believe in the love between people. You can find love is a helping hand   69   a kind word. It is all around. If you are just   70   for it, give love to others. Then you will   71  that you can do a lot for others. You have the power to make others   72 . Believe in the goodness of others. Remember that at anger can be   73  by love and hope. Even when you feel there isn't a lot you can do to change _74   situation, you can always do a little. A little at a time makes a very   75_ difference in the end.

在Windows系统中，以下说法正确的有( )。

A．只能有一个活动窗口

B．只能打开一个窗口

C．可同时显示多个窗口

D．可同时打开多个窗口