患儿男，10岁，同视机检查结果如下：L／R15°；-15°R／L20°，L／R10°；0°R／L15°，L／R8°；0°R／L12°。双Maddox杆检查结果：右眼外旋12°，左眼外旋8°。其最佳手术方案应为（）。

A.双上直肌后退

B.双上斜肌折叠

C.双下斜肌后退

D.双下直肌后退，双内直肌止端下移

E.双上直肌后退，双外直肌止端上移

—"Mary, you clean the classroom today, __________?"

—"But I cleaned it yesterday." [ ]

A. do you

B. didn't you

C. don't you

D. will you