Why Can't a Female Lizard Have Both High Fecundity and High

Why can't a female lizard have both high fecundity and high survival?

A) Only in rare cases do lizards have both high fecundity and high survival.
B) The more energy the female devotes to offspring, the less that can be devoted to her survival.
C) Female lizards are able to produce only one set of offspring.
D) Competition for resources prevents this.