单选题 Hypertension places stress on a number of organs (called target organs), including the kidney, eyes, and heart, causing them to ______ over time.
  • A. deteriorate
  • B. distress
  • C. underscore
  • D. dilute
【正确答案】 A
【答案解析】[解析] 各项的意思是：deteriorate“使恶化”；distress“使忧虑，使焦虑”；underscore“强调，加强”；dilute“变换，变弱，稀释”。