本题考查澳大利亚土著居民获得公民身份的时间。
Since 1967, when Aborigines gained Australian citizenship, they have increasingly worked to restore a sense of indigenous history, dignity, and economic vitality to their diverse peoples.
自1967年澳大利亚土著居民获得澳大利亚公民身份以来，他们越来越多地致力于恢复不同土著人民的历史感、尊严感和经济活力。

故选择B选项。