市场调查程序中，（）阶段的主要任务是组织调查人员深入实际，系统地收集各种可靠资料和数据。

A.调查准备

B.调查实施

C.分析总结

D.修正报告

—  I'm surprised to hear that Sue and Paul have______.

— So am I. They seemed very happy together when I last saw them. [      ]

A. broken up  

B. finished up

C. divided up  

D. broken down