What are the symptoms of trichomoniasis in females? a. itching and burning in the urethra, an unpleasant-smelling yellow discharge, and pain when urinating b. itching and burning in the vagina an unpleasant-smelling yellow discharge, and pain when urinating c. itching of the urethra, an unpleasant-smelling brown discharge, and swelling of the penis d. itching and burning in the vagina, an unpleasant-smelling brown discharge, and swelling of the urethra