The correct answer is: C) Mycobacterium tuberculosis.
Tuberculosis is an infectious disease that most commonly affects lungs. Mycobacterium tuberculosis is a small, aerobic, nonmotile bacillus type of bacteria responsible for this disease.
There are two forms of tuberculosis:
• Latent-without symptoms
• Active-with symptoms such as chronic cough, fever, sweats, weight loss..
People with active tuberculosis can spread it by the air while they cough, spit, speak, or sneeze.