The relics of the Roman rule are still extant in England.

Answer: Option C

Hidden : kept out of sight; concealed.
Scattered : occurring or found at intervals or various locations rather than all together.
Existent : having reality or existence.
Spread : open out (something) so as to extend its surface area, width, or length.
Extant : still in existence; surviving.

Synonym of Extant is Existent