You only have access to a local lab containing minimal equipment: a microscope and some reagents. Considering both your remote geographical location and the distinguishing characteristics of this disease, how would you confirm your diagnosis?

A.	Gram stain a smear of peripheral blood
B.	Determine the antibody titer against B. anthracis
C.	Test blood samples for the very potent anthrax-toxin in tissue culture
D.	Culture the organism on selective media