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': 'Actions of angiotensin II include: a) Systemic vasoconstriction b) Systemic vasodilation c) Renal vasodilatation d) Re–absorption of Na+  in proximal renal tubule e) Retention of water \nSelect and explain. \nA. ad, B. ae, C. bc, D. bd', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]