The presence of active motile multiflagellated trophozoites in vaginal or urethral secretion is indicative of infection with
(A) Balantidium coli.
(B) Trichomonas vaginalis.
(C) Acanthamoeba.
(D) Giardia intestinalis.
(E) Chlamydia trachomatis.
The presence of active motile multiflagellated trophozoites in vaginal or urethral secretion is indicative of infection with Trichomonas vaginalis.-(B)