If a single condition within an IAM policy includes multiple values for one key, it will be evaluated
using a logical ______.

A.
OR

B.
NAND

C.
NOR

D.
AND

Explanation:
If a single condition within an IAM policy includes multiple values for one key, it will be evaluated
using a logical OR.
http://docs.aws.amazon.com/IAM/latest/UserGuide/reference_policies_elements.html