超声乳化白内障吸除术中，应用能量不当直接可引起术后的严重并发症是（）

A.青光眼

B.葡萄炎

C.角膜水肿致失代偿

D.前房积血

E.后囊膜混浊

Passage Three

What is the speaker’s impression of the country towns

A．Pleased.

B．Excited.

C．Disappointed.

D．Disgusted.