What does the phrase tampered with mean

Correct the sentence by selecting the proper pronoun usage. they assigned the solo parts to ellen and her themselves. she themselves her theirselves she herself correct as is

Read this example: original work - a novel about a man's struggles to returnhome to his family after spending the past ten yearsfighting in a war.which work would represent a change to the artistic medium of this originalwork? a. a story written about the man's adventures since the warb. a novel that translates the story into another language.c. a painting of the man wishing he was home with his familyd. a book written about the war the man was fighting

Can someone me with this english question