【单选题】【消耗次数:1】
已知<img class="kfformula" src="20190809/1565322050560879.png" data-latex="A\left ( {0,-2} \right )"/>,<img class="kfformula" src="20190809/1565322050489966.png" data-latex="B\left ( {x,6} \right )"/>的中点坐标为<img class="kfformula" src="20190809/1565322050782302.png" data-latex="\left ( {-1,y} \right )"/>,则<img class="kfformula" src="20190809/1565322050701271.png" data-latex="x"/>,<img class="kfformula" src="20190809/1565322050277662.png" data-latex="y"/>的值分别为( )
<img class="kfformula" src="20190809/1565322050358526.png" data-latex="x=-4,y=-2"/>
<img class="kfformula" src="20190809/1565322050607462.png" data-latex="x=2,y=4"/>
<img class="kfformula" src="20190809/1565322050656212.png" data-latex="x=-4,y=25"/>
<img class="kfformula" src="20190809/1565322050205695.png" data-latex="x=-2,y=2"/>
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