What should the Architect recommend?

Refer to the exhibit.

A customer calls for urgent support.

Their Adobe Campaign instance is running slowly and marketing workflows are taking a long time to execute the Architect finds.

✑ 50 workflow are running concurrently ✑ 24 workflows are stuck in pending state

✑ Workflows are scheduled to be executed at the same time every day

What should the Architect recommend?
A . Check with the DBA and archive old workflows to free up space
B. Restart the wfserver process and clear cache
C. Schedule workflows at different start times and restart pending workflows
D. Pause the running workflows and restarts the pending workflows

Answer: D