单选题 As soon as she could do so without an appearance of being rude, she pretended to______, rose, and left him there alone.
【正确答案】 C
【答案解析】解析：句子大意为：只要不是太没礼貌，一有机会她就假装打哈欠，然后起身离开，留下他一个人在那儿。A项faint“晕倒”，B项urge“敦促”，C项yawn“打哈欠”，D项sink“下沉”。显然答案为C项。