单选题 Mike was always speaking highly of his role in the play, ______of course, made the others unhappy.
  • [A] who
  • [B] which
  • [C] that
  • [D] what


【正确答案】 B
【答案解析】[考点] 非限定性定语从句的用法
[解析] 本句意为：迈克总是炫耀他在戏剧中的角色，这当然令其他人不高兴。which引导非限制性定语从句，指代上句的内容。