Answer:
D. evolutionary
Explanation:
Evolutionary perspective: The term evolutionary perspective was formerly proposed by Charles Darwin, who believed that human beings possess social instincts that are being evolved through natural selection. The evolutionary perspective explains the evolution of gender differences.
Darwin believed that humans who are fertile enough can live a long life to reproduce and are capable of raising their offspring that will potentially pass their characteristics to their next or upcoming generation.
In the question above, the professor's suggestion best illustrates an evolutionary perspective.