Kim works as a dog trainer. She wants to apply the methods of science inquiry to improve her professional skills. Which of the following tasks can she achieve MOST successfully by applying science inquiry?

A. Developing criteria to rank dogs from best trained to worst trained.
B. Explaining the behavior of dogs, and testing any explanation with observations or an experiment.
C. Constructing an argument to convince pet owners that dog training is worth the investment of time and money.
D. Deciding whether to expand her business by hiring an assistant dog trainer.