问题
单项选择题
______ life cycles are ones in which project phases intentionally repeat one or more project activities as the project team’s understanding of the product increases.
A. Iterative and incremental
B. Fully plan-driven
C. Adaptive
D. Predictive
答案
参考答案：A
解析： 选项B：完全计划驱动型；选项C：适应型；选项D：预测型。