Gaokao Math Practice Question
设 $O$ 为坐标原点, 直线 $x=2$ 与抛物线 $C: y^{2}=2 p x(p>0)$ 交于 $D, E$ 两点, 若 $O D \perp O E$, 则 $C$ 的 焦点坐标为 ($\qquad$)
- A.$\left(\frac{1}{4}, 0\right)$
- B.$\left(\frac{1}{2}, 0\right)$
- C.$(1,0)$
- D.$(2,0)$
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