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
[{'content': 'All are true regarding Hyper IgE syndrome except- \nSelect and explain. \nA. Inheritance is as a single locus Autosomal dominant trait with variable expression, B. Coarse facial features, C. Recurrent staphylococcal abscesses involving skin, lungs, D. High serum IgE with low IgG, IgA and IgM', 'role': 'user'}, {'content': 'Answer: D \nExplanation: None', 'role': 'assistant'}]