Compare CSP and state-space search, and select correct statements from following ones. 比较CSP和状态空间搜索，并从下列叙述中选择正确的答案。

A、CSP solving system can be faster than state-space search solving system. CSP求解系统会比状态空间搜索求解系统快。

B、CSP solving system can be slower than state-space search solving system. CSP求解系统会比状态空间搜索求解系统慢。

C、CSP can quickly eliminate large swatches of the search space. CSP可以快速排除大的搜索空间样本。

D、State-space search can quickly eliminate large swatches of the search space. 状态空间搜索可以快速排除大的搜索空间样本。