The correct option is D Neisseria gonorrheae
Gonorrhoea is an infection caused by the bacterium Neisseria gonorrhoeae. It not only affects the reproductive tract, but can also affect the mucus membranes of the mouth, throat, eyes, and rectum. The infection is transmitted through sexual contact with an infected person involving the penis, vagina, anus, or mouth.
Treponema pallidium causes syphilis.
Entamoeba gingivalis is the first amoeba in humans to be described. It is found in the mouth inside the gingival pocket biofilm near the base of the teeth, and in periodontal pockets.
Mycobacterium leprae are the bacteria that cause leprosy, a skin disease.