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: Biochemistry
[{'content': "Which one of the following is the complementary sequence of 5' TTAAGCTAC 3' ? \nSelect and explain. \nA. 5' GTAGCTTAA 3', B. 5' AATTCGCATG 3', C. 5' CATGCGAATT 3', D. 5' TTAAGCGTAC 3'", 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]