Write the next sentence in the following story.

How to change age on youtube
Go to youtube.com.
Click on " sign in.
" it's the blue link in the upper right corner of the browser window.

Available options:
(A). Type your username and password into the fields provided. The link will be a box that shows up after you click on it.;
(B). Your browser may automatically sign you into google +. If this is the case, click on your profile picture in the upper-right corner of the browser window.;
(C). If prompted, enter your email address and password to sign in. Select the age you want to remove.;
(D). The sign-in process will take you to a page where you will apply your age tag, and is usually located in the " text " box in the lower left corner of the page. Click the " change age tag " drop-down menu.;. The answer should be
(B).