<prompt> Please answer with one of the option in the bracket. Write reasoning in between . Write answer in between .Q:A 48-year-old man presents to the clinic with several weeks of watery diarrhea and right upper quadrant pain with fever. He also endorses malaise, nausea, and anorexia. He is HIV-positive and is currently on antiretroviral therapy. He admits to not being compliant with his current medications. His temperature is 37C 98.6F, respiratory rate is 15min, pulse is 70min, and blood pressure is 10084 mm Hg. A physical examination is performed which is within normal limits. His blood tests results are given below:Hb: 11 gmdLTotal count WBC: 3,400 mm3Differential count:Neutrophils: 70Lymphocytes: 25Monocytes: 5CD4 cell count: 88mm3Stool microscopy results are pending. What is the most likely diagnosis?? A: Cryptosporidiosis, B: C. difficile colitis, C: Irritable bowel syndrome, D: Norovirus infection, E: Travelers diarrhea due to ETEC,  <response>: This is a case of a 48-year-old HIV-positive man with diarrhea, right upper quadrant pain, fever, malaise, nausea, and anorexia. He is not compliant with his antiretroviral therapy. Key findings include:- HIV-positive with low CD4 count 88mm3 indicating advanced HIVAIDS- Watery diarrhea - Fever - Right upper quadrant pain- Leukopenia low WBC countThe differential diagnosis includes opportunistic infections like cryptosporidiosis, C. difficile colitis, and norovirus infection. Cryptosporidiosis is the most likely diagnosis in an immunocompromised HIVAIDS patient presenting with diarrhea.A: Cryptosporidiosis 