What Will the Following Search Phrase Ask For

What will the following search phrase ask for?
Site:example.com -ext:html -ext:htm -ext:asp -ext:php

A) All indexed pages on the example.com site including for those with extensions html, htm, asp, and Php
B) All non-indexed pages on the example.com site expect for those with extensions html, htm, asp, and Php
C) All html, htm, asp, and php pages on every site other than example.com
D) All indexed pages on the example.com site other than those with extensions html, htm, asp, and php