The hero said, “One should love _____ Country!”

[roseriver1012]

The hero said, “One should love _____ Country!”
which word should be filled in that blank? one's, his, or their?

 

[2006]

The hero said, “One should love _____ Country!”
which word should be filled in that blank? one's, his, or their?

"one's" is the obvious choice, because it is singular and gender neutral and is the possessive form of the word used by the hero.