<prompt> Please answer with one of the option in the bracket. Write reasoning in between . Write answer in between .Q:A 41-year-old male with a history of pneumocystis jiroveci pneumonia is found to have multiple ring-enhancing lesions on brain CT. Which of the following is most likely responsible for this patients abnormal scan?? A: Neoplasm, B: Bacteria, C: Virus, D: Prion, E: Protozoa,  <response>: This is a patient with a history of pneumocystis jiroveci pneumonia, which is an opportunistic infection that occurs in immunocompromised patients, especially those with HIVAIDS. The description of multiple ring-enhancing brain lesions on CT is most consistent with toxoplasmosis, which is caused by the protozoan Toxoplasma gondii. In immunocompromised patients, especially those with HIVAIDS, toxoplasmosis can reactivate and cause CNS lesions. Neoplasm, bacteria, virus, and prion would be less likely to cause this radiographic appearance in this clinical scenario.E: Protozoa 