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
Diagnosis of X linked agammaglobulinemia should be suspected if- 
Select and explain. 
A. Low CD 3, B. Female Sex, C. High Isohemagglutinins titers, D. Absent tonsils and no palpable lymph nodes on physical examination
D: Absent tonsils and no palpable lymph nodes on physical examination
Answer: D: Absent tonsils and no palpable lymph nodes on physical examination 
Explanation: None