单项选择题
A.Because they have some financial problems.B.Because there will be much rain in May.C.Because they won't have free time in MayD.Because they can't have everything got ready by then.
A.准确把握新中国成立以来我国的基本国情B.对新中国成立以来历史经验和改革开放以来新的实践经验的总结C.新中国成立以来,特别是改革开放以来,我国社会的主要矛盾没有改变D.从整体上解决了我国社会主义发展的现实起点问题