What does the word "homicide"possibly mean in Paragraph 5?（）

A.they did not succeed in redcing government expenses
B.they were far lower in yield than had been anticipated
C.they raised the cost of living by pushing up prices
D.they acted as a deterrent to trade

A.There is no need to use a gun in killing a person
B.Criminals can kill whoever they want by a computer
C.The computer can replace any weapons
D.The function of a computer is just like a gun