You are a SharePoint administrator for a company. You deploy OneDrive for Business on-premises. Files are explicitly sha

[answerhappygod]

You are a SharePoint administrator for a company.
You deploy OneDrive for Business on-premises. Files are explicitly shared with external users by sending email invitations.
Users report that they cannot immediately view files in the OneDrive for Business Shared with Me view.
You need to ensure that users can view all files as they are shared while minimizing the changes to the current service topology.
What should you do?

A. Enable the Recently Shared Items cache on the My Site server.
B. Enable Continuous Crawl.
C. Enable the Distributed Cache on all servers.
D. Enable the Recently Shared Items cache on the Search server.
E. Enable the Recently Shared Items cache on the root site collection.