You are modifying a blog site to improve search engine readability.
You need to group relevant page content together to maximize search engine readability.

Which tag should you use?

A.
<nav>

B.
<article>

C.
<span>

D.
<div>

Explanation:

Reference:
http://www.w3schools.com/tags/tag_article.asp
http://www.w3schools.com/html/html5_new_elements.asp