10.若双曲线的顶点和焦点分别为椭圆$\frac{{x}^{2}}{2}$+y2=1的焦点和顶点,则该双曲线方程为( )
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| A. | x2-y2=1 | B. | $\frac{{x}^{2}}{2}$-y2=1 | C. | x2-$\frac{{y}^{2}}{2}$=1 | D. | $\frac{{x}^{2}}{3}$-$\frac{{y}^{2}}{2}$=1 |