He is the very lecturer, experience impressed us greatly at the conference yesterday.
A. who
B. whom
C. which
D. whose
网友回答
A. who
B. whom
C. which
(答案→)D. whose
解析：考查定语从句中的关系词。本题的先行词是the very lecturer,定语从句中的名词experience前面缺少定语修饰，故使用whose修饰。Whose指代先行词在句中做定语，修饰名词。句意：他就是那个演讲者，在昨天的会议上他的经验给我留下了深刻的印象。故D正确。