A 75-year-old generally healthy man has noticed worsening problems maneuvering over the past 4 months.He has particular trouble getting out of low seats and off toilets.Which of the following signs does he most likely to have

  • A: Poor fine finger movements
  • B: Poor rapid alternating movements
  • C: Distal muscle weakness
  • D: Proximal muscle weakness
  • E: Gait apraxia

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解析：

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