Which sentence from the article BEST describes the effect that Rork's program has had?

A
In February, for example, Arizona Chihuahua Rescue worked with Gable’s organization to transfer 25 Chihuahuas to animal rescue group in Pennsylvania.
B
“It’s something that’s been done for a while, but that’s gaining a lot of momentum right now,” McDonell said.
C
“But now people can find what they need at the shelters, and that way we help reduce overpopulation.”
D
In 2012, 2,476 Chihuahuas were euthanized, he said.