SAT Question b74f676f: Form Structure And Sense answer and explanation

English - Form Structure And Sense - Verb Tense Consistency
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Classical composer Florence Price’s 1927 move to Chicago marked a turning point in her career. It was there that Price premiered her First Symphony—a piece that was praised for blending traditional Romantic motifs with aspects of Black folk music—and ______ supportive relationships with other Black artists.
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Difficulty:Hard
Which choice completes the text so that it conforms to the conventions of Standard English?