I’ve won a holiday for two to Florida. I _______ my mother.

A．have taken

B．am taking

C．take

D．will have taken

下列哪项不是“软骨发育不全”骨质改变特点（）

A.小骨盆

B.短肢型侏儒

C.头颅增大

D.骨质改变为非对称性

E.手指粗短，呈"三叉戟"样