Which of the following statements about gypsy moth caterpillars is supported by information presented in the passage EXCEPT? A. Differing concentrations of phenols in leaves have differing effects on the ability of the wilt virus to kill gypsy moth caterpillars. B. Female gypsy moth caterpillars stop growing after they ingest leaves containing phenols. C. The longer a gypsy moth population is exposed to wilt disease, the greater the likelihood that the gypsy moth caterpillars will become immune to the virus.