根据句意，用括号中所给单词的正确形式填空，每空一词。

小题1:Many fans felt sad because of the     (lose) of the famous Korean actor.

小题2:Lucy often plays tennis to relax     (she) after school.

小题3:Thanks to these     (science) work, our dream has become true.

小题4:The patient has difficulty     (run) on his own feet.

小题5:We tried to stop the fights, but we knew it was     (hope).

头脑风暴法，经过多次反复比较和优中择优，最后确定( )个最佳方案。

A．1～2

B．1～3

C．1～4

D．2～3