32.19歲之女性因對自己顏面外觀不喜歡，經醫師診斷有 anterior open bite 及 lip incompetency, gummy smile, Angle's class II, mandibular high angle，下巴後縮，經過術前齒列矯正，下列何種手術矯正較為適合？ (A)maxillary anterior osteotomy (B)bilateral maxillary posterior osteotomy (C)bimaxillary anterior osteotomy (D)LeFort I osteotomy + bilateral sagittal split osteotomy