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: Medicine
Pleurisy is common in which one of the following connective tissue disease - 
Select and explain. 
A. System lupus erythematosis, B. Systemic sclerosis, C. Polyaritis nodosa, D. Mixed connective tissue disease
A: System lupus erythematosis
Answer: A: System lupus erythematosis 
Explanation: None