A would be the correct answer because but has a comma has it before it.
The sentence that best describes clustering is You're generating words that suggest possible sentences or paragraphs. Hope this helps!
They are connected because the fight against fascism during World War II delivered to the forefront the contradictions between America's ideals of democracy and equality and its treatment of racial minorities. Throughout the war, the NAACP and alternative civil rights organizations worked to end discrimination within the military.
A, the audience’s reaction cuts into the speakers quote.
I believe protein is derived from the Greek word proteios