The root point of the nose refers to
选项：

A: The most anterior point of the nasal-frontal seam
B: the most anterior point of the frontal region
C: the central point of the butterfly saddle image
D: the midpoint of the anterior edge of the foramen magnum
E: the top point of the condyle鼻根點是指A--鼻額縫的最前點B--額部的最前點C--蝶鞍影像的中心點D--枕骨大孔前緣的中點E--髁突的最上點