This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: C.V.S, Subject name: Pharmacology
[{'content': 'The beneficial effects of nitrates in the treatment of angina include the following except:(2000) \nSelect and explain. \nA. Decreased arterial pressure, B. Decreased ventricular volume, C. Decreased diastole perfusion time, D. Decreased ejection time', 'role': 'user'}, {'content': 'Answer: C \nExplanation: cRef: KDT, 5th ed, p. 488-489 & 4th ed, p. 522-523', 'role': 'assistant'}]