Answer:
The answer is B because The context clue you would use if you did not know the meaning of the word atrocious is the fact that The D.A.R. was unsupportive of African American performers. One can assume that if the group is unsupportive that they would have made the experience extremely difficult for Marian Anderson.
D- alliteration
They have the same repetition of the sound H
The answer is C because there is only a dependent clause.
I’m pretty sure the answer is dreams. Hope this helps :)