This is a test of commonsense with single/multi-choices. Complete the next sentence:

How to find inactive twitter followers
Visit twitter.
Open any internet browser on your computer, and navigate to twitter's home page.
Log in.

Options are:
[a]. Tweet to the twitter homepage on your browser, and follow its rules if necessary. Type your twitter username into the search bar at the top of the page and hit enter.;
[b]. Enter your email address or twitter handle into the first text box on the left side of the page. Enter your password into the second box, and click the login button to access your account.;
[c]. You can log in to twitter with your facebook login credentials. If you don't have an account on twitter, you can log in yourself using your facebook login credentials.;
[d]. Once the button is clicked, the profile page will open. After clicking on your account, the account screen will fill up, as twitter often searches for you.;
The answer is:
[b].