引起暴露性角膜炎的危险因素不正确（）

A.眼睑缺损

B.眼球突出

C.睑外翻

D.展神经麻痹

E.深麻醉或昏迷

—What does your father do?  

—He is a        who works in the field on a farm.[ ]

A.teacher    

B.farmer    

C.doctor    

D.driver