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Help me please :)
Greek Roots, Vocabulary
9.Many Hollywood actors lost their livelihoods as talking pictures ____________ silent films.
A.Supersede, Meaning :To take place of; to replace.
B.Dossier, Meaning:A set of documents containing information about a person or events; a file
C.Sanguine, Meaning:Cheerful; Hopeful.
D.Consanguinity, Meaning: Blood Relationship.

I think it's A. but i don't know