Could you tell me        （）   you have bought this fur coat?

题目解析 题目: Could you tell me ( ) you have bought this fur coat? A. by whom B. for whom C. through which D. in which 答案: B 解析: 这道题要求选择一个合适的疑问词填入空白处，使句子完整和正确。在句子中，“you” 是主语，问的是购买这件毛皮大衣的人是谁。正确的疑问词应该是 “whom”，而选项 B 正是正确的填入方式。