You work as network consultant. Your customer, TestKing Inc, has a class C network license. TestKing wants you to subnet the network to provide a separate subnet for each of its 5 departments. Each subnet must support at least 24 hosts. Which network mask should you use?()
A. 255.255.255.192
B. 255.255.255.224
C. 255.255.255.240
D. 255.255.255.248
E. 255.255.255.252
F. 255.255.255.254
某日,甲某在街上看见乙某(系公安民警,身着便装)的手包内很鼓,以为包内有很多钱,遂跟踪乙某。此后,乙某到一商场购物,拉开手包拉链,甲看到了露出多张百元面值人民币,甲见财起意,又尾随乙某至一人员稀少处,趁其不备,从乙某手中抢走手包,逃之夭夭。甲打开手包发现,包内除现金4000元外,还有六四手枪一支和警官证等物品若干。甲某将手枪和警官证等其他物品藏在家中。甲的行为构成()。
A. 抢夺枪支罪
B. 抢夺罪
C. 抢劫罪
D. 非法持有枪支罪