I would choose B Because no, evolution is not goal-oriented.
Evolution is a natural process that occurs through the mechanism of natural selection, genetic drift, and mutation. It is not directed by any specific goal or purpose, and there is no inherent drive to create organisms that are "optimal" or "perfect". Rather, evolution occurs through a series of random mutations that are either beneficial, neutral, or harmful to an organism's survival and reproduction.
Natural selection can only improve a structure in the context of its current use, meaning that organisms with traits that provide an advantage in their environment are more likely to survive and reproduce. However, this does not necessarily lead to the development of a perfect organism or a particular end goal.
Humans do not represent the pinnacle of evolutionary change, as evolution does not have a pre-determined endpoint or hierarchy. Humans are simply one of many species that have evolved over time to adapt to their environment.
Simple structures can be very useful for organisms, and many organisms have evolved with simple structures that are well-suited to their particular ecological niche. The complexity of an organism's structure is not necessarily a measure of its evolutionary success.