GRE Reading Comprehension: ETS-GRE阅读ETS - 4WAJ9CJV0KFPDN6T7

The passage contains information that would answer which of the following questions about wasps? A. How many eggs does the female wasp usually lay in a single host larva? B. Can some species of wasp determine sex ratios among their offspring? C. What is the approximate sex ratio among the offspring of parasitic wasps?