What does the error message "There is an unknown connection issue between Cloudflare and the origin web server; as a result, the web page cannot be displayed" typically indicate?
A) A DNS configuration problem is preventing the domain from resolving correctly.
B) Cloudflare is unable to establish a connection with the origin web server, possibly due to server downtime, network issues, or misconfigurations.
C) The origin web server has been successfully connected to Cloudflare, but the web page content is missing or incomplete.
D) Cloudflare is blocking access to the web page due to a security policy violation.