【题目】He is one of the students ______ selected to take part in the context.
A. whose is B. which are C. as is D. who are
在线课程【答案】D
【解析】
考查定语从句的关系词和主谓一致。句意：他是被选中参加这个项目的学生之一。______ selected to take part in the context.是一个定语从句，先行词是the students，关系词在从句中作主语，指人，用who，关系词指代先行词，是复数，谓语动词用复数，故选D。