单选题 Skilled computer criminals can break into a computer system______.

A、 quite easily
B、 without any risk
C、 more easily than an armed robber can gain access to a bank vault and with far less risk
D、 without being punished

【正确答案】 C

【答案解析】[精析] 细节理解根据文章的第一段：熟练的电脑罪犯要侵入一个电脑系统比一个武装的强盗进入银行大门容易的多，而且被发现和惩罚的风险也小得多。知正确答案为C。