A new project manager needs to deliver a high-stakes agile project. The vendor working with the team is in another country. Though this vendor has delivered excellent quality work on time in the past, they are currently behind schedule. The team explains to the project manager that their attempts to get the vendor back on schedule have failed. They have sent emails and phoned, but the vendor only gives vague, noncommittal responses. The project sponsor insists that this vendor is essential to the success of the project and an important partner of the business. Which action should the project manager take? Choose only ONE best answer. A Contact the vendor and be direct about the consequences of their actions and delays. B Create a virtual workspace for the team so that everyone is aware of and accountable for their tasks and aware of due dates. Include the project sponsor. C Work with procurement to amend the vendor's service agreement, with specific terms and conditions for work. D Ask the project sponsor to use personal influence to get the vendor back on schedule