A.is effective to reduce murder
B.is ineffective to reduce murder
C.does not influence murder rate
D.fails to protect innocent people
A.negative
B.neutral
C.positive
D.suspicious
A.put aside
B.look down upon
C.break out
D.come up with
A.not her being able to attend
B.her not being able to attend
C.her being able not to attend
D.her being notable to attend