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: Microbiology
All are the feature (s) of chancorid except: 
Select and explain. 
A. Ulcer bleed easily, B. Painful, C. Bubo formation, D. Typically indurated
D: Typically indurated
Answer: D: Typically indurated 
Explanation: Ans: d. Typically indurated, Chancroid or soft sore is characterized by tender non-indurated irregular ulcers on the genitaliaThe infection remains localized, spreading only to the regional lymph nodes which are enlarged & painful"Haemophilus ducreyi: After an incubation period of 4-7 days, the initial lesion--a papule with surrounding erythema--appears.In 2 or 3 days, the papule evolves into a pustule, which spontaneously ruptures and forms a sharply circumscribed ulcer that is generally not indurated. The ulcers are painful and bleed easily; little or no inflammation of the surrounding skin is evident.Approximately half of patients develop enlarged, tender become fluctuant and spontaneously rupture" (Harrison 18th)