单选题 You are healthy when you are ______ your outer and inner environments.
【正确答案】 D
【答案解析】[解析] 题干:当你与外界和内部环境和谐相处时你就是健康的。in harmony with与……和谐相处;in relation to与……相关;with regard to关于;in contrast with与……对照。根据题意,选项D正确。