This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Dental
Partner treatment is needed in: 
Select and explain. 
A. Gardnerella, B. Candida, C. Herpes, D. Trichomoniasis
D: Trichomoniasis
Answer: D: Trichomoniasis 
Explanation: Partner also has to be treated in case of Trichomoniasis. Partner treatment is not required in gardnerella, Candida, Herpes.