Yes, it should always be placed.
If you are browsing a topic or subject hierarchy of links in the Ashworth College Library andthen display a document from the results list, the trail of links you clicked to find that document<span>may be presented at the top of the document view. This trail is often called a content trail</span>
B because the other ones make sense and are not choppy, but B is.
The cat which, was white and fluffy,
