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: Dental
[{'content': 'Which of the following is not a features of simple tongue thrust swallowing \nSelect and explain. \nA. Contraction of facial muscle, B. Contraction of mandibular elevators, C. Teeth apart swallow, D. Anterior open bite', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]