If We Explain the Reason That a Mother Cat Licks

Multiple Choice

If we explain the reason that a mother cat licks and cleans her kittens of the fluids that cover them when they are born by saying that the fluids tastes good, which is probably the simplest explanation, we are addressing which aspect of science?

A) Parsimony
B) Self-correcting nature
C) Progessive nature
D) Concern with theory