单选题 She was delirious last night, but she seems quite {{U}}lucid{{/U}} this morning.
  • A. rational
  • B. peaceful
  • C. patient
  • D. insane
【正确答案】 A
【答案解析】lucid“头脑清楚的，理智的”；A项rational“理智的”；B项peaceful“和平的，安宁的”；C项patient“耐心的”；D项insane“患精神病的，极度愚蠢的”。