Biological control methods for managing insect pests are effective for reasons that include which of the following?
I. They promote genetic resistance in the target species, resulting in a population explosion of the target species.
II. They generally focus on one target insect to ensure that the target insect population remains low.
III. They can lead to a self-perpetuating population of a control species.
A. I only
B. II only
C. I and III only
D. II and III only