What should the project manager do to prioritize this critical impediment?

During a daily standup meeting, a roadblock was raised that is preventing one of the team members from proceeding with work. The project manager figures out that it is due to a technical issue.

What should the project manager do to prioritize this critical impediment?
A . Solve the issue for the team member.
B . Perform a brainstorming session to address the issue and add the solution to the sprint.
C . Escalate the issue to the software vendor for technical resolution
D . Coach the team to come up with their own solution and add it to the next sprint

Answer: D