Bacillus anthracis is an endospore-forming bacterium. Which of the following is most likely?A. B. anthracis spores can be killed by boiling water.B. B. anthracis spores require a moist environment in order to stay dormant for an extended time.C. B. anthracis uses spores to reproduce, so spores develop into new offspring.D. B. anthracis spores can remain dormant for hundreds of years without needing nutrients.