单选题 He gradually ______ that his wife was right and he had to change his way of living.

【正确答案】 A

【答案解析】perceive觉得，意识到。explore探索，钻研；repel击退，抵制；simplify简化。句意：他逐渐意识到他妻子说得对，他必须改变自己的生活方式。