In Paragraph 1, "sentient things of our own making" refer to ________.

A．Last year there was a murder almost every day in Washington D. C..
B．Now more homicides happened this year.
C．More than half of these crimes are related to drug.
D．In USA mail carriers always depend on increased police patrols at delivery time.

A．There Is No End to the Drug Plague
B．Let's Get Tough with Drug User
C．We Must Crack Down on Drug Supplies
D．Everyone Is A Victim of Drug Use