C.
When properly applied to a dog, the loose end of the training collar is out to the side and directly under the dog's neck.
Answer:
It results from a blockage in your lymphatic system, which is part of your immune system. The blockage prevents lymph fluid from draining well, and the fluid buildup which
leads to swelling.
I would say D for this one mostly because I know for sure most of these answers are right.
