已知U={1,2,3,4,5,6,7,8},A={1,3,5,7},B={2,4,5},则
=
A.{6,8} B. {5,7} C. {4,6,7} D. {1,3,5,6,8}
已知U={1,2,3,4,5,6,7,8},A={1,3,5,7},B={2,4,5},则=
A.{6,8} B. {5,7} C. {4,6,7} D. {1,3,5,6,8}
答案：A
解析：因为
，故
，所以选A.