问题
单项选择题
Ability to influence the final characteristics of the projiect’s product, without significantly impacting cost, is highest at the start of the project and ______ as the project progresses towards completion.
A．change
B．increase
C．double
D．decrease
答案
参考答案：D
解析： 在不显著影响成本的前提下，改变项目产品最终特性的能力在项目开始时最大，并随项目进展而减弱(decrease)。