If a person has had unprotected sex and, within a few weeks, develops flu-like symptoms that include sore muscles and joints and swollen lymph nodes, what is the BEST reaction? A. It is probably just the flu and nothing to worry about. B. Panic. All signs indicate that it is an HIV infection. C. It could be the flu, but it could also be an HIV infection. It is very important to be tested at a medical facility. D. none of the above Please select the best answer from the choices provided. A B C D