question: Q:A 29-year-old man presents to an STD clinic complaining of a painful lesion at the end of his penis. The patient says it started as a tiny red bump and grew over several days. He has no history of a serious illness and takes no medications. He has had several sexual partners in the past few months. At the clinic, his temperature is 38.2℃ (100.8℉), the blood pressure is 115/70 mm Hg, the pulse is 84/min, and the respirations are 14/min. Examination of the inguinal area shows enlarged and tender lymph nodes, some of which are fluctuant. There is an ulcerated and weeping sore with an erythematous base and ragged edges on the end of his penis. The remainder of the physical examination shows no abnormalities. The result of the Venereal Disease Research Laboratory (VDRL) is negative. Which of the following diagnoses best explains these findings?? 
  {'A': 'Chancre', 'B': 'Chancroid', 'C': 'Condyloma acuminatum', 'D': 'Condyloma latum', 'E': 'Lymphogranuloma venereum'},