单选题 The life expectancies of even the very old have increased significantly in recent years, but at the same time, this group faces the highest risk of ______ disease requiring long-term care.
【正确答案】 A
【答案解析】句意:最近几年,即便老年人的寿命也有了显著增长,但与此同时,该人群得慢性病的风险也最高,并且该种疾病通常需要长期的照料。chronic慢性的;长期的。acute急性的;(情况)严重的。fatal致命的;毁灭性的。