Mantoux test is used to detect for?

Option D

The Mantoux tuberculin skin test (TST) is one method of determining whether a person is infected with Mycobacterium tuberculosis.  It is used to determine if someone has developed an immune response to the bacteria that causes TB. The test is based on the fact that the bacteria which causes Tuberculosis, i.e. Mycobacterium Tuberculosis produced a delayed hypersensitivity skin reaction to the pirquet test to certain components of the bacterium.