Which of the following is a valid dynamic drilldown element to allow a user of the dashboard to visit the hyperlinks contained in the link field?

Suppose the following query in a Simple XML dashboard returns a table including hyperlinks:

<search>

<query>index news sourcetype web_proxy | table sourcetype title link </query>

</search>

Which of the following is a valid dynamic drilldown element to allow a user of the dashboard to visit the hyperlinks contained in the link field?
A . <option name “link.openSearch.viewTarget">$row.link$</option>
B . <drilldown>
<link target=“ blank">$$row.link$$</link> </drilldown>
C . <drilldown>
<link target="_blank">$row.link|n$</link> </drilldown>
D . <drilldown>
<link target “_blank">http://localhost:8000/debug/refresh</link> </drilldown>