In Amazon EC2, you are billed instance-hours when _____.

In Amazon EC2, you are billed instance-hours when _____.
A . your EC2 instance is in a running state
B . the instance exits from Amazon S3 console
C . your instance still exits the EC2 console
D . EC2 instances stop

Answer: A

Explanation:

You are billed instance-hours as long as your EC2 instance is in a running state.

Reference: http://aws.amazon.com/ec2/faqs/