Which of the following excerpts from the selection best describes why Lewis created Project Alarm?

Which of the following excerpts from the selection best describes why Lewis created Project Alarm?
A All exports of Malagasy rosewood, for instance, have been prohibited since early 2010.
B “We worked out that about half a million tortoises are being taken every year,” Walker said. “That gives you an idea of the scale of the problem.”
C Within a few weeks, through his connections in law enforcement and by piecing together the user’s social media activity, he had identified the suspect.
D Their first target was a person who appeared to be selling ploughshare tortoises on Facebook.