Applauded should be the answer.
If you replace the letter T in these words, you get:
1) There
2) Then
3) That
It can be letter D, they suggest the website has been hacked or may have a virus or t<span>he website owner linked to a site that is behind a firewall that does not allow outside access (such as an Intranet site or a restricted access area on a website).</span> a virus because