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: Pharmacology
[{'content': 'Which of the following statements regarding ticlopidine is TRUE ? \nSelect and explain. \nA. It blocks GpIIb/IIIa receptors on platelet membrane, B. It prevents ADP mediated platelet adenylyl cyclase inhibition, C. It inhibits thromboxane A, synthesis in platelets, D. It does not prolong bleeding time', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]