患者女，19岁，颏部发育差，唇前突闭合不全，覆盖10mm，磨牙完全远中关系，前牙深覆，ANB10°，上前牙前突，牙列无拥挤4个第三磨牙牙胚不存在。

本患者可能的错牙合类型是（）

A.安氏Ⅱ类牙合错，上颌前突

B.安氏Ⅱ类牙合错，下颌后缩

C.安氏Ⅲ类牙合错

D.深覆牙合

E.安氏Ⅱ类牙合错伴有上颌前突，下颌后缩

– The kidnapped American captain was rescued from the Somali pirates（海盗）.

-- But for the help of the US Navy, he _______ freed then.

A．may not be

B．wouldn’t have been

C．wouldn’t be

D．mustn’t have been