From this passage we know that______.
A. every American cannot have guns.
B. only soldiers and police can have guns.
C. every American citizen can own guns.
D. teachers have no money to buy guns.
正确答案：C
45．答案为C从文中介绍的校园枪击案的严重程度可知其中原因之一是美国对枪支的持有没有严格的限制才造成枪击行为的失控
