Gaokao Math Practice Question
2. 已知集合 $U=\{1,2,3,4,5,6,7\}, A=\{2,3,4,5\}, B=\{2,3,6,7\}$, 则 $B \cap C_{U} A$
- A.$\{1,6\}$
- B.$\{1,7\}$
- C.$\{6,7\}$
- D.$\{1,6,7\}$
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