A 36 year old sexually active woman has noticed that warty vulvar lesions have been increasing in size and number over the past 5 years. On physical examination, there are multiple 0.5 to 2 cm, red-pink, flattened lesions with rough surfaces present on the vulva and perineum. One of the larger lesions is excised; its microscopic appearance is shown in the figure. Which of the following infections agents is most likely to produce these lesions?
A-candida albicans
B-chlamydia trachomatis
C-haemophilus ducreyi
D-human papillomavirus
E-treponema pallidum