已知集合A={α|2kπ≤α≤(2k+1)π,k∈Z},B={α|-4≤α≤4},则A∩B为( )
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A.
B.{α|-4≤α≤π}
C.{α|0≤α≤π} D.{α|-4≤α≤-π}∪{α|0≤α≤π}