Many of the activities performed during the preliminary investigation are still being conducted in （ ）, but in much greater depth than before.
- A.analysis phase
- B.design phase
- C.implementation phase
- D.maintenance phase
正确答案及解析
正确答案
A
解析
翻译：在初步调研时完成的许多活动在分析阶段还要继续进行，只是比以前更深入地去做。
A．分析阶段 B．设计阶段 C．实施阶段 D．维护阶段
