You are configuring a CloudFront distribution, and when you try to attach an SSL, you do not see your SSL listed. What is the most likely reason for this?

A. You must configure an https record in Route 53 first.
B. Sometimes, it won't show, and you need to retrieve the ARN for the SSL and enter it manually.
C. You requested an SSL for the wrong region.
D. You didn't wait 48 hours after approving the SSL.