If Increased CO₂ Concentrations Result in Plant Tissue That Is

If increased CO₂ concentrations result in plant tissue that is less nutritious,which of these is not a potential consequence for insect herbivores?

A) They must eat more tissue.
B) Their development may be slowed.
C) They grow fatter because their diet has more carbohydrates.
D) They use up more energy trying to eat for food.
E) Their reproductive cycles may be disrupted because their rate of growth changes.