在抛物线y2=4x上有两点A,B,点F是抛物线的焦点,O为坐标原点,若

在抛物线y24x上有两点AB,点F是抛物线的焦点,O为坐标原点,若230,则直线ABx轴的交点的横坐标为     

A                         B1                           C6                           D

答案

D

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