Hi-Tech Recycling Canada,a Computer and Electronics Recycling Firm Based in Toronto,is

Hi-Tech Recycling Canada,a computer and electronics recycling firm based in Toronto,is a lucrative business that focuses on the disposal of obsolete computer systems.Every monitor has four to six pounds of lead,which is mixed with phosphorous to protect users from radiation.The problem is that if the computers are thrown away in landfills,the lead and the phosphorous can get into the water supply,which is why many landfills won't accept computers.Hi-Tech Recycling Canada is divided into different divisions for taking care of computer board and memory recovery (which can often be recycled) .The monitors it disposes of in accordance with legal regulations.Hi-Tech Recycling Canada has made a business out of:

A) the green movement.
B) the millennium waste-reduction initiative.
C) reverse materials handling.
D) reverse logistics.