问题补充:
The elderly need special care in winter, as they are to the sudden change of weather.
A. sensitive
B. negative
C. flexible
D. sensible
答案:
(答案→)A. sensitive
B. negative
C. flexible
D. sensible
解析:句意,老年人在冬天需要特殊的关照,因为他们对于天气的突然改变很敏感。Sensitive敏感的negative消极的flexible灵活的sensible明智的,根据题意,故选A。