01选择题5★☆☆☆☆
已知全集 U={2,1,0,1,2,3}U = \{-2,-1,0,1,2,3\},集合 A={1,0,1,3}A = \{-1,0,1,3\},集合 B={2,0,1}B = \{-2,0,1\},则 (UA)B=(∁_U A) \cup B = ( )
A.
{-2}
B.
{-2,2}
C.
{0,1,2}
D.
{-2,0,1,2}
答案与解析

答案已隐藏