单选题 Charles is working on a project and finds that one of his primary vendors is raising their costs for a key component of the product being produced by his project．In order to cover these costs，he______．

A、 will ask management for a budget increase to cover the difference
B、 will assume management reserve will cover the difference because this increase was out of his control
C、 will use the cost change control process to obtain approval to use part of the contingency allowance
D、 will go over budget and ask for forgiveness at the end of the project Charles

【正确答案】 C

【答案解析】[解析] 发现他的一个主要供应商正在提高一个产品关键部件的成本。为了负担这些成本，他______。 A) 将向管理层提出追加投入以弥补差额 B) 将使用管理储备以弥补超出控制的增加 C) 将使用成本变更控制以批准动用应急储备 D) 将超出预算并在项目结束后寻求原谅题干描述的情况是风险发生了，需要花费储备金了，不管哪个储备金都需要走成本变更控制系统。