已知A,B是样本空间中的两事件,且Ω={1,2,3,4,5,6,7,8},A={2,4,6,8},B={2,3,4,5,6,7},则AB是()
·{2,4,6}
·{2,4,6,8}
·{1,3,5,7,8}
·{1,3,5,7}