In close comparisons, external fertilization often yields more offspring than does internal fertilization. However, internal fertilization offers the advantage that

A) it is the only way to ensure the survival of the species.
B) it requires less time and energy to be devoted to reproduction.
C) the smaller number of offspring produced often receive a greater amount of parental investment.
D) it permits the most rapid population increase.
E) it requires expression of fewer genes and maximizes genetic stability.