设全集U=R,集合A={x|x≥-UA =( )
A、{zl z><img src="//wximg.233.com/attached/image/20120915/20120915144384258425.gif" alt="" />)B、{z J z<一<img src="//wximg.233.com/attached/image/20120915/20120915144348614861.gif" alt="" />)C、{x|x≥<img src="//wximg.233.com/attached/image/20120915/20120915144378937893.gif" alt="" />)D、{x|x≤-<img src="//wximg.233.com/attached/image/20120915/20120915144389088908.gif" alt="" />)
文科数学