She stabs herself with a "happy dagger".
Answer: B. The people in power tell the story that best suits their interest, and control its content and distribution.
Explanation:
Third person plural pronoun is THEY.
If you want to create a possessive pronoun out of that one, that would be THEIRS.
Possessive pronouns, as the name itself says, determine some kind of possession. For example:
Is this books yours? - No, it's theirs.
The New Deal Programs supported artists and writers in the 1930s by giving them money.
Franklin Delano Roosevelt's New Deal cultural programs marked the U.S. government's first big, direct investment in cultural development.