Which of the Following Is True About Insect Control by Microorganisms

Multiple Choice

Which of the following is true about insect control by microorganisms?

A) The microorganisms may cause disease in other animals.
B) This technique is just as dangerous as the use of chemical pesticides.
C) The microorganisms are permanent in the environment.
D) The microorganisms are specific for the insect pest.
E) The insects develop resistance to the microorganisms.