According to news reports, personal of guns in the USA causes a lot of trouble.
A. wealth
B. possession
C. matter
D. problem
网友回答
A. wealth
(答案→)B. possession
C. matter
D. problem
解析：考查名词辨析：A. wealth财产，B. possession所有物，拥有C. matter物质，D. problem问题，句意是：根据新闻报导，美国个人拥有枪支导致很多问题。选B。