单选题 I took the medicine 10 minutes ago, but the bitterness is still ______ in my mouth.
  • A. scattering
  • B. feeling
  • C. maintaining
  • D. lingering
【正确答案】 D
【答案解析】本题考点为动词的词义辨析。linger逗留，拖延，继续存留。根据上下文，选项D符合题意。