Answer:
Gonorrhea.
Step-by-step explanation:
Sexual transmitted infections (STIs) are the disease that might pass from one sex partner to the other partner during unprotected sex. Some STIs can pass through skin contact.
Gonorrhea is the STIs that occur due to the bacterial infections. This can affect both the male and female partner. The gonorrhoea infection do not show any symptoms and sometimes the partner do not know about the infection. In severe cases the individual may get sterile by the gonorrhea infection.
Thus, the correct answer is option (c).