Which of the following options best describes why some controls appear grayed out in the Regulatory compliance dashboard?

Answer options:

A.These controls don`t have any Security Center assessments associated with them
B.You don’t have privileges to remediate the security control
C.You are using an older version of the standard and need to update
D.The assessment for this control was already remediated but was not updated yet

Correct Answer: A
Option A is correct. Some controls are grayed out. These controls don`t have any Security Center assessments associated with them.
Option B, C & D are incorrect. These are not the valid reasons for graying out the security controls.
Reference: 

https://docs.microsoft.com/en-us/azure/security-center/security-center-compliance-dashboard#faq---regulatory-compliance-dashboard