Which of the Following Statements Is TRUE Regarding Plant Defenses

Which of the following statements is TRUE regarding plant defenses?

A) When attacked by a combination of fungal pathogens and insects, plants will mount robust defenses against each of these organisms (i.e., they will not be "susceptible" to one or the other) .
B) A plant will always dedicate most of its resources to building defenses, even if this means the plant will be shorter than any neighboring plants.
C) When grown in nutrient-rich environments, plants tend to dedicate most of their resources to producing constitutive defenses (such as thorns) .
D) Plants that demonstrate constitutive defenses will not mount inducible defenses, even in the presence of predators.
E) None of the answer options is correct.