The strategies that he came up with            fine.

A. work out       B. worked out     C. working out      D. to work out

用括号中所给词的适当形式填空，使语篇意思完整，必要时请用否定式。

I'll tell you the story of Jimmy，the Bike Boy．Last week everyone was trying to cheer him up． 1 （but）this week，Jimmy is   2  （happily）again．On Monday，he told a radio 3   （interview） that he had run out of money to buy old bikes．He also put up some signs  4  （ask） for old bikes and called up all his friends and told   5  （they） about the problem．He even handed out the advertisements at a local supermarket．Then he told the  6   （teacher）at school about his problem and they set up a call-in center for parents．The strategies that he came up with worked out   7   （ fine ）．He now has  8  （ sixteenth）bikes to fix up and give them to some children．Because those children are very poor and they  9  （have）enough money．He gets  10  （lot）of practice and he also has fun．

The strategies that he came up with            fine.