When Describing Sexually Transmitted Infections and Testing, the Nurse Explains

When describing sexually transmitted infections and testing, the nurse explains that a client is typically tested for chlamydia, gonorrhea, and syphilis at the same time for which reason?

A) The symptoms of these diseases are the same and culture tests alone can determine the disease that has infected the client.
B) The infecting bacterium in all cases is the same, and therefore, clients have concurrent infections.
C) The infections spread through the same medium, and therefore, clients have concurrent infections.
D) It is not unusual for clients to have concurrent infections with more than one sexually transmitted infection (STI) .