At times, worrying is a normal to a difficult event or situation—a loved one being in an accident, for example.
A. response; injured
B. reaction; wounded
C. reply; hurt
D. reflection; died
网友回答
(答案→)A. response; injured
B. reaction; wounded
C. reply; hurt
D. reflection; died
解析：A[解析]a normal response/reaction to sth.对…的正常反应；第二空根据其后的an accident可知选injure。