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