It was so bright outdoors that we could see clearly what was happening through the curtains before the window.
A. hanged
B. hung
C. hanging
D. hang
网友回答
A. hanged
B. hung
(答案→)C. hanging
D. hang
解析：考查非谓语动词。句意“天气是如此的晴朗，以至于我们能透过窗帘看到正在发生的事情。”curtains和hang是主谓关系，这里用现在分词表示悬挂的状态。故选C。