Rubik’s cube or solitaire A: 魔方或单人跳棋 B: 魔方或独立宝石

AI long ago mastered chess, the Chinese board game Go and even the Rubik's Cube, ______in just 0. 38 seconds. A: which managed to solve B: which it managed to solve C: for which it managed to solve D: to which it managed to solve

AI long ago mastered chess, the Chinese board game Go and even the Rubik's Cube, ______ in just about 0. 38 seconds. A: which managed to solve B: which it managed to solve C: for which it managed to solve D: to which it managed to solve