It was the truth that the black reached a stage they had almost no rights at all in the p

问题补充：

It was the truth that the black reached a stage they had almost no rights at all in the past.

A. when

B. where

C. which

D. that

答案：

A. when

B. where

C. which

D. that

解析：名词point, condition, situation, stage, case, position等作先行词在定语从句中做状语，表示“场所、状况”等含义，从句应该用where引导。本题意为：黑人处于无权状态。故选择B项。