Which of the Following Statements Does NOT Illustrate a Potential

Which of the following statements does NOT illustrate a potential cost of sexual reproduction?

A) Proteins in the seminal fluid of Drosophila males shorten the life expectancy of inseminated females.
B) Female birds of paradise inspect several males before deciding with whom to mate.
C) Male and female damselflies form characteristic mating wheels, which allow the partners to fly, albeit at slower speeds than single damselflies.
D) Pronghorn males do not actively search for mates, reducing their gene flow throughout the population.