This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Virology, Subject name: Microbiology
[{'content': 'Chickenpox - \nSelect and explain. \nA. IS commonly seen in a congenital form, B. May be serve in a newborn child infected by the mother in late pregnancy, C. Affects the limbs more than the trunk, D. May cause pneumonitis', 'role': 'user'}, {'content': 'Answer: B \nExplanation: When maternal varicella occurs near delivery babies may develop congenital varicella within 2 weeks of delivery REF:ANANTHANARYANAN TEXTBOOK OF MICROBIOLOGY 9EDITION PGNO.472', 'role': 'assistant'}]