Both Members of a Couple Are Diagnosed with the Protozoan

Both members of a couple are diagnosed with the protozoan infection, trichomoniasis. Are they equally likely to show symptoms, or is the man or the woman more likely?

A) The man is more likely; about sixty percent of men show symptoms, compared to forty percent of women.
B) The man is more likely; about three-fourths of men show symptoms, while almost all women are asymptomatic.
C) The woman is more likely; about sixty percent of women show symptoms, compared to forty percent of men.
D) The woman is more likely; about three-fourths of women show symptoms, while almost all men are asymptomatic.
E) They are equally likely; gender has no bearing on whether they show symptoms.