Show Post category needed

hello, please can anyone help me with this ?
how can i show the Category name in this code ?

<?php
$posts = get_posts('category=5,6,7,8&numberposts=3');
foreach($posts as $post):
setup_postdata($post);
?>
														<td width="345" valign="top">
														<div class="section-large">
                                                          <a href="<?php the_permalink() ?>" rel="bookmark"><img src="<?php bloginfo('template_directory'); ?>/includes/timthumb.php?src=<?php get_thumbnail($post->ID, 'full'); ?>&h=208&w=285&zc=1" alt="<?php the_title(); ?>" /></a>
														 <h3><a href="<?php the_permalink() ?>"><?php the_title(); ?></a></h3>
																<span><?php the_time('l, F jS, Y') ?></span>
<span>SHOW CATEGORY NAME HERE</span>
</div>

 <?php endforeach; ?>