This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Immunology, Subject name: Microbiology
[{'content': 'C-reactive protein are - \nSelect and explain. \nA. Alpha-1 globulin, B. Beta-1 globulin, C. Alpha-2 globulin, D. Non-specific inflammatory protein', 'role': 'user'}, {'content': 'Answer: B \nExplanation: They are abnormal beta-1-globulins that precipitates with somatic C antigen of S.pneumoniae seen in acute phase pneumonia. REF:Textbook of microbiology, Ananthanarayan, and Paniker. Page no.: 222', 'role': 'assistant'}]