单句改错

1. It is only when he comes back can you leave.

2.  A child as he is,he knows a lot about computer games.

3. In he came when the bell rang.

4. So fast he ran that I couldn't follow him.

5. It was not until he told me did I know the news.

根据《奖励条令》第10条的规定，下列选项中符合集体奖励条件的有( )。

A．依法查处违法犯罪活动，维护社会稳定，成绩突出的
B．依法履行行政管理职能，实行科学、文明、规范管理，提高工作质量和办事效率，成绩突出的
C．认真完成综合管理、警务保障等工作任务，成绩突出的
D．密切联系群众，热情为群众服务，成绩突出的