A great deal of research has gone into making baculoviruses more pathogenic and deadly to their hosts.Which of the following explains why?

A) They are investigated as germ warfare agents.
B) They could be used to destroy weeds and other undesirable plants.
C) They could be used as pesticides to kill insects.
D) They kill bacteria and could be used as antibiotics.
E) They could be used to kill cancer cells.