Gaokao Math Practice Question
设集合 $A=\{x|| x \mid>3\}, B=\left\{x \mid \frac{x-1}{x-4}<0\right\}$, 则 $A \cap B=$（$\qquad$）
- A.$\phi$
- B.$(3,4)$
- C.$(-2,1)$
- D.$(4,+\infty)$
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