<prompt> The most common organism amongst the following that causes acute meningitis in an AIDS patient is ?Streptococcus pneumoniaeStreptococcus agalactiaeCryptococcus neoformansListeria monocytogenes  <response>: Ans. is c i.e., Cryptococcus neoformans C. neoformans is the leading infections cause of meningitis in patients with AIDS. 