The Patient Is Diagnosed with Athlete's Foot (Tinea Pedis)

The patient is diagnosed with athlete's foot (tinea pedis) .The patient says that she is relieved because it is only athlete's foot,and it can be treated easily.The nurse explains that athlete's foot is

A) Generally isolated to the feet and never recurs.
B) Contagious and frequently recurs.
C) Caused by the papillomavirus.
D) Treated with salicylic acid or electrodesiccation.