题目内容：
回答题：According to statistics．in 2007 more than 6，000children were expulsed(开除)from US schools for bringing guns and bombs to school．
The USDepartment of Education gave a report to the expulsions as saying handgunsaccounted for 58 percent of the 6．093 expulsions in 2003-2004，against 7 percent ．for rifles(步枪)or shotguns and 35 percent for other types of firearms．“The report is a clear sign that our nation’s public schools arecracking down(严惩)on students who bring guns to school，”Education Secretary Richard Riley said in a statement．“We need to be strong-minded about keeping guns out of ours choolsand do everything to keep our children safe．”In March2004，an 11 years old boy and l3years old boy usinghandguns and dries shot dead four children and a teacher at a school inJones-born，Arkansas．In October，two were killed and seven were wounded in a shooting at a Mississippischool．Two months later，a 14years old boy killed three high school students and wounded five in Dasucah．Kentucky．Most of the expulsions，56 percent，were from high schools，which havestudents from about age 13．34percent were from junior high schoob and 9 percent were from elementary schools，the report said．
From the first paragraph we caninfer that in the US schools__________． A．students enjoy shooting
B．students are eager to be soldiers
C．safety is a problem
D．students can make guns
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