_________, the student insisted that he should be separated from his roommates, who were noisy.
A . To avoid being affected B . To avoid to be affected
C . Avoiding being affected D . Avoiding to be affected
A
【详解】
考查不定式和动词用法。句意:为了避免被影响,这个学生坚持要求和他的室友们分开,他的室友们太吵闹了 。 分词常常表示为伴随,而动词不定式表示目的,排除 C 和 D,avoid doing sth. 避免做某事,该用法是固定用法,排除 B ,故选 A。