AI long ago mastered chess, the Chinese board game Go and even the Rubik’s Cube,

游客2023-10-25 37

问题 AI long ago mastered chess, the Chinese board game Go and even the Rubik’s Cube, ______in just 0. 38 seconds.

选项 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

答案 B

解析定语从句题。定语从句的引导词which需要在从句中作主语或宾语。B选项中的it指代AI，which作solve的宾语，即the Rubik’s Cube，故本题答案为B。

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