The correct answer is A) Foot. The irregular plural form of this noun is feet. Hope this helps.
<span>In
the novel _The Hitchhiker’s Guide to the Galaxy_ by Douglas Adams, there exists
a scene where Jeltz communicates to the hitchhikers something over the intercom
system. The message that Jeltz tells the
hitchhikers over the intercom system is that the hitchhikers are actually not
welcomed there.</span>
This is a regular sentence. (A)
