单选题 For fear of being scolded by the teacher, the boy gave a ______ excuse for his absence.

【正确答案】 C
【答案解析】lame(指辩解、论据等)不能服人的;liberal慷慨大方的,充足的:a liberal supply of food充足的食物供给;temporary临时的,暂时的;disabled残废的。因此C最符合题意。