In order to create an account for the purposes of commenting on CBC news articles, simply navigate to any article which is comment-enabled and scroll to the bottom of the article. There, you will see the Login | Signup options below the disclaimer, as depicted below:
Click on Signup. You will be prompted to enter your name, email address, and to create a password for the account.
Be sure to provide accurate information, and then click on Sign Up. You can also register using your current Facebook or Google+ profiles. These options are presented on the left side of the pop-up, as shown in the image above.