In managing a project，you notice that a de
题型：单项选择题
问题：
In managing a project，you notice that a deliverable mentioned in the general conditions of the contract has not yet been received．The seller，however，says the special provisions of the contract void that deliverable．What should you do ？（）
A．Require the deliverable as in the contrac
B．Do nothin
C．Contact the contract manage
D．Send a letter requiring the deliverable is me