In this task, you are given a context and four options. Each option is a suggested ending for the context. You should read the context and pick the best ending for the context. Please answer with "A", "B", "C", and "D".

[header] How to get tested for hiv [title] Determine if you have hiv symptoms. [step] If you have flu-like symptoms that last for a week or 2, and you don't recall being exposed to the influenza virus, you may have hiv. If you suspect your symptoms are from hiv, see your doctor. <sep> (A) If you do not recall the symptoms because you were exposed to hiv, you should see your doctor. [substeps] You may also have some sort of autoimmune disease, such as a flare-up of the flu, that causes just a few symptoms throughout the body. (B) [title] Get the flu one week before symptoms first occur. [step] The best time to test for hiv is in june or august. (C) [substeps] Not everyone infected with hiv exhibits symptoms; some people infected with the virus may not exhibit symptoms for several years after exposure. [title] Examine your past behavior for anything that may have exposed you to hiv. (D) [substeps] When all other symptoms come and go, your doctor can refer you to an er. You must be at least 18 years old to be properly tested for hiv.
C