Which evidence from the article BEST shows the failure of the justice system during the Scottsboro Boys’ trial?
**WILL GIVE BRAILIEST**

A. On Thursday, Alabama's parole board pardoned the last of the long-dead Scottsboro Boys, nine black teenagers falsely accused of ra pe in 1931.

B. Keep quiet: a refrain she would hear again and again, for years, about the Scottsboro Boys

C. In 1978, her brother died in Kilby Prison, where the boys had been held. Guards had killed him, she said after he had killed a white man in a fight.

D. Their nine trials had spanned just two days at the Scottsboro courthouse, before an all-white jury, argued by a defense lawyer who didn't know Alabama law. All but the youngest teen received the death penalty.