This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: G.I.T, Subject name: Surgery
[{'content': 'Most common cyst of the spleen are \nSelect and explain. \nA. Hydatid syst, B. Dermatoid cyst, C. Pseudocyst, D. Lymphangioma', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Pseudocyst or secondary cyst is the common cause for the development of cyst in the spleen ( constitutes 80% ). true cyst and parasitic cyst constitute 20% Reference: SRB 5th edition page no. 679', 'role': 'assistant'}]