This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Medicine
Humoral immunodeficiency is suspected in a patient and he is under investigation. Which of the following infections would not be consistent with the diagnosis 
Select and explain. 
A. Giardiasis, B. Pneumocystis carinii pneumonia, C. Recurrent sinusitis, D. Recurrent subcutaneous abscesses
B: Pneumocystis carinii pneumonia
Answer: B: Pneumocystis carinii pneumonia 
Explanation: None