单选题 ______ the Smiths have moved away, we can still see them from time to time.
【正确答案】 D
【答案解析】[解析] as long as:只要;as far as:就……而言;as though:好像;even though:尽管。根据句意,本题应该用even though引导让步状语从句。故选D。