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
A patient presents with Thrombocytopenia, eczema and recurrent infection. The most probable diagnosis is: 
Select and explain. 
A. Wiskott Aldrich syndrome, B. Chediak-Higashi syndrome, C. Job's syndrome, D. Bruton's Agammaglobulinemia
A: Wiskott Aldrich syndrome
Answer: A: Wiskott Aldrich syndrome 
Explanation: Answer is A (Wiskott Aldrich syndrome) Thrumbocytopenia, Eczema and Recurrent Infections (Immunodeficiency) represents the charachteristic triad of Wiskott - Aldrich syndrome.