Despite increasing international efforts to protect the natural habitats of endangered species of animals, the rate a...

Ravi on April 24, 2020

Let's look at (B).

(B) says, "Species that would have become extinct have been saved due
to the establishment of animal refuges."

Recall that we're looking to weaken the argument. (B) tells us that
our efforts haven't been wasted; they've actually saved a few species.
While it's true that the rate is increasing, it would be increasing by
even more if it weren't for the work that conservationists have done.

Does this make sense? Let us know if you have any other questions!