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【单选题】
已知集合M={x||x|≥3}，集合 N={x|x∈Z且 4 x ∈Z} ，则M∩N=（　　）
A.
{x|-4≤x≤-3或3≤x≤4}
B.
{-2，-1，1，2}
C.
{-4，0，4}
D.
{-4，4}
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