This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: miscellaneous, Subject name: Microbiology
A 28-year-old sexually active male presents with burning micturition. On clinical examination, there is no ulcer in the genitals. Urine examination shows 50 WBCs/HPF, no RBCs, leucocyte esterase positive, gonococcal culture negative. What could be the most probable causative organism 
Select and explain. 
A. Treponema pallidum, B. Neisseria, C. Chlamydia trachomatis, D. Hemophilus ducreyi
C: Chlamydia trachomatis
Answer: C: Chlamydia trachomatis 
Explanation: commonly known as chlamydia,is a bacterium that causes chlamydia, which can manifest in various ways, including: trachoma, lymphogranuloma venereum, nongonococcal urethritis, cervicitis, salpingitis, pelvic inflammatory disease. C. trachomatis is the most common infectious cause of blindness and the most common sexually transmitted bacterium.