【正确答案】 A

【答案解析】[解析] 他习惯了住在乡下。be accustomed to习惯。be used to习惯于。最符合题意。如：She is used to running in the evening．她习惯晚上跑步。be devoted to致力于。如：He is devoted to his singing career.他致力于演唱事业。be determined to决定。如：He was determined to win the race.他决定要赢得这场赛跑。fond喜爱。如：They are fond of traditional Chinese art.他们喜欢传统中国艺术。