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I want to say A. because it does show good ways of using punctuation and keeps the sentence flowing <span />
D, Both "Marian Anderson Sings" and the biography use a cause and effect structure; therefore, each open with an important event and the effect it had on Anderson's life.
Marian Anderson was one of the first African American singers to perform at the White House and at the New York’s Metropolitan Opera. She was the one who helped in breaking the barrios of racial discrimination of the African American artists. Her voice was free from the bitterness, blame, and meanness. Her art of singing was considered saintly and humanly.
She began singing at the Lincoln Memorial with the song My Country 'Tis of Thee.’ The whole auditorium arose with her emotional and sensational voice.
