Your client has five workspaces with Slack admins across multiple departments.

The correct answer is D . The client has five workspaces and admins distributed across multiple departments, so the support process must be centralized, visible to the right admin audience, and protected from unnecessary public exposure. A central private org-wide channel gives authorized admins one place to review, triage, assign ownership, and complete employee requests across workspaces. It also preserves request history and prevents work from disappearing into personal backlogs. Option A is poor governance because DMs create hidden queues and single-admin dependency. Option B may help with one request, but it does not create a scalable support model. Option C creates central visibility, but a public single-workspace channel is not appropriate for an Enterprise Grid support model involving multiple workspaces and potentially sensitive admin requests. A private org-wide admin channel is cleaner because it supports cross-workspace coordination while limiting access to the admin team responsible for resolving requests.

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