At present, the price of the houses in Urumqi ________ than before. I can afford ________ a large one.
A ． are cheaper; to buy B ． is cheaper; buy C ． are lower; buy D ． is lower; to buy
D
【解析】
【详解】
句意：目前，乌鲁木齐的房价比以前低了。我能买得起一个大房子。
考查形容词用法辨析和 afford 的用法。主语是 the price of the houses in Urumqi ，中心词为 price ，应用 high/low 形容，谓语动词用单数形式； afford“ 负担得起 ” 后续动词不定式，作其宾语。故选 D 。