问题
单项选择题
Project work packages are typically decomposed into smaller components called activities to provide a basis for （72）, scheduling, executing, and monitoring and controlling the project work.
A．reviewing
B．estimating
C．auditing
D．expecting
答案
参考答案：B
解析：参考译文把项目工作包分解成更小的称为活动的单元，为估算、进度安排、项目执行、项目监控提供了基础。