单选题 You don't have to ______ yourself. I think you did the right thing putting your mother in a nursing home.

【正确答案】 A

【答案解析】[解析] 各项的意思是：justify“证明……正当，为……辩护”；hinder“阻碍，打扰”；indulge“纵容，放任，迁就”；appoint“指定，任命，委任”。空格处的意思是：你不必为自己辩护。