Answer:
C. Alkaliphile
Step-by-step explanation:
"At the other end of the spectrum are alkaliphiles, microorganisms that have pH optima between 8.0 and 11. Vibrio cholerae, the pathogenic agent of cholera, grows best at the slightly basic pH of 8.0; it can survive pH values of 11.0 but is inactivated by the acid of the stomach".