Because he didn't finish the work on time and was fired by the company, he was very ______ about it. [ ]

A. upset

B. worrying

C. anxious

D. nervous

原发性闭角型青光眼和原发性开角型青光眼的根本区别是（）。

A.眼压升高的快慢

B.眼压升高的程度

C.眼压升高时房角是开放还是闭合

D.眼压控制时房角是开放还是闭合

E.视功能损伤的程度