Hyperbaric oxygen therapy can be used to increase oxygen concentrations in the tissues of people with certain infections.  Which one of the following types of disease-causing microbes would be targeted with this type of therapy?

A.   Strict aerobes

B.   Facultative anaerobes

C.   Aerotolerant anaerobes

D.   Strict anaerobes

(i)   Which response (A-D) is the best choice? (1 mark)

(ii)  Briefly explain your reasoning for your choice (2 marks)